What are the common causes of swollen lymph nodes in the armpit. How can you recognize the symptoms of swollen lymph nodes. What treatment options are available for swollen lymph nodes in the armpit. When should you seek medical attention for swollen lymph nodes.

Understanding Lymph Nodes and Their Function

Lymph nodes play a crucial role in our body’s immune system. These small, bean-shaped structures are part of a complex network that helps filter out harmful substances and fight infections. When the body encounters a threat, such as bacteria or viruses, lymph nodes can swell as they work harder to remove unwanted cells from the lymph fluid.

Lymph is a clear, colorless fluid that circulates throughout the body, carrying oxygen to cells and transporting waste products away. It also contains white blood cells, which are essential for fighting infections. As lymph nodes filter this fluid, they can become enlarged, particularly in areas like the neck, armpits, and groin.

Why Do Lymph Nodes Swell?

Lymph node swelling, also known as lymphadenopathy, occurs when these structures become enlarged due to increased activity. This can happen for several reasons:

• Infection (viral or bacterial)
• Injury
• Inflammatory conditions
• Certain medications
• Cancer (in rare cases)

A swollen lymph node may be painful and tender to the touch. In some instances, it might be visibly enlarged under the skin, while in others, it may only be noticeable when palpating the area.

Common Viral Causes of Swollen Lymph Nodes in the Armpit

Various viral infections can lead to swollen lymph nodes in the armpit region. Some of these include:

Influenza (Flu)

The flu is a respiratory infection that can cause lymph node swelling along with other symptoms. Unlike some viral infections, flu symptoms often develop suddenly and can be more severe than those of a common cold.

Typical flu symptoms include:

• Fatigue
• Sore throat
• Cough
• Runny or stuffy nose
• Body aches
• Headaches
• Fever or chills

Is the flu dangerous for everyone? While most people recover from the flu without complications, certain groups are at higher risk:

• Young children
• Adults over 65 years of age
• Pregnant individuals
• People with underlying health conditions

These high-risk groups may require antiviral medication to prevent severe symptoms. The best way to avoid getting the flu is to get vaccinated annually.

Infectious Mononucleosis (Mono)

Mono, also known as glandular fever, is caused by the Epstein-Barr virus. It can lead to swollen lymph nodes in the neck and armpits, along with other symptoms:

• Extreme fatigue
• Fever
• Swelling in the liver, spleen, or both
• Sore throat
• Body aches
• Headaches

How long does mono typically last? Most people recover from mono within 2-4 weeks, although some may experience symptoms for a longer period. Rest, hydration, and over-the-counter pain relievers can help manage symptoms during recovery.

Bacterial Infections Causing Armpit Lymph Node Swelling

While viral infections are common causes of swollen lymph nodes, bacterial infections can also lead to this symptom. Some bacterial infections that may affect the lymph nodes in the armpit include:

Cellulitis

Cellulitis is a skin infection that occurs when bacteria penetrate the skin and infect deeper layers. It often results from an injury that creates an entry point for bacteria.

Common symptoms of cellulitis include:

• Pain and swelling at the infection site
• Skin sores
• Warm skin
• Redness (may be less apparent in people with dark skin tones)
• Hardening of the skin
• Fluid collection under the skin

Additional symptoms may include fever, chills, body aches, muscle and joint pain, nausea, vomiting, and fatigue.

How is cellulitis treated? Doctors typically prescribe antibiotics to treat cellulitis. In severe cases or when intravenous antibiotics are necessary, hospitalization may be required.

Lyme Disease

Lyme disease is transmitted through the bite of certain tick species. Swollen lymph nodes can be an early symptom, appearing 3-30 days after the tick bite.

Other early symptoms of Lyme disease include:

• A circular rash resembling a bull’s-eye at the bite site
• Fever
• Chills
• Joint or muscle aches
• Fatigue
• Headaches

Can Lyme disease be cured? With prompt medical attention and appropriate antibiotic treatment, most cases of Lyme disease can be successfully treated. It’s crucial to seek medical care if you suspect you have Lyme disease.

Other Potential Causes of Swollen Armpit Lymph Nodes

While infections are common causes of swollen lymph nodes in the armpit, there are other potential reasons for this symptom:

Injuries

Physical trauma to the arm or chest area can cause nearby lymph nodes to swell as part of the body’s inflammatory response. This swelling usually subsides as the injury heals.

Medications

Certain medications, particularly those that affect the immune system, can cause lymph node swelling as a side effect. Examples include some vaccines, antibiotics, and antiseizure medications.

Autoimmune Disorders

Conditions like rheumatoid arthritis or lupus, where the immune system attacks healthy tissues, can lead to swollen lymph nodes in various parts of the body, including the armpit.

Cancer

While less common, certain types of cancer can cause lymph node swelling. Lymphoma, a cancer of the lymphatic system, and breast cancer are two examples that may affect the armpit lymph nodes.

Recognizing Symptoms of Swollen Lymph Nodes

Identifying swollen lymph nodes in the armpit is crucial for early diagnosis and treatment. Here are some signs to look out for:

• A lump or swelling in the armpit area
• Tenderness or pain when touching the affected area
• Redness or warmth of the skin over the swollen node
• Difficulty moving the arm on the affected side
• General discomfort in the armpit region

Are swollen lymph nodes always visible? Not necessarily. Sometimes, swollen lymph nodes may be too small or deep to see but can be felt when pressing on the area.

Diagnosis and Treatment Options

When you visit a healthcare provider for swollen lymph nodes in your armpit, they will likely perform a physical examination and ask about your medical history. Depending on their findings, they may recommend additional tests such as:

• Blood tests to check for infections or other conditions
• Imaging studies like ultrasound, CT scan, or MRI
• A biopsy of the lymph node if cancer is suspected

The treatment for swollen lymph nodes depends on the underlying cause:

For Viral Infections

Most viral infections causing swollen lymph nodes will resolve on their own with time. Treatment usually focuses on managing symptoms:

• Rest
• Adequate hydration
• Over-the-counter pain relievers like ibuprofen or acetaminophen
• Warm compresses applied to the affected area

For Bacterial Infections

Bacterial infections typically require antibiotic treatment. The specific antibiotic and duration of treatment will depend on the type and severity of the infection.

For Other Causes

Treatment for non-infectious causes of swollen lymph nodes will vary based on the underlying condition. This may include:

• Medications to manage autoimmune disorders
• Changing or adjusting medications if they’re causing the swelling
• Specific treatments for cancer, such as chemotherapy or radiation therapy

When to Seek Medical Attention

While many cases of swollen lymph nodes in the armpit resolve on their own, there are situations where medical attention is necessary. Consult a healthcare provider if you experience:

• Lymph node swelling that persists for more than two weeks
• Rapidly growing or painless swollen lymph nodes
• Swollen lymph nodes that feel hard or don’t move when you push on them
• Unexplained weight loss, fever, or night sweats accompanying the swollen nodes
• Difficulty breathing or swallowing
• Redness or warmth of the skin over the swollen nodes

Should you be concerned about every swollen lymph node? Not necessarily. Temporary swelling of lymph nodes is often a normal response to infections or minor injuries. However, if you’re unsure or concerned about your symptoms, it’s always best to consult with a healthcare professional.

Preventing Swollen Lymph Nodes in the Armpit

While it’s not always possible to prevent swollen lymph nodes, there are steps you can take to reduce your risk:

• Practice good hygiene, including regular handwashing
• Get vaccinated against preventable diseases
• Maintain a healthy lifestyle to support your immune system
• Avoid close contact with people who have contagious illnesses
• Protect yourself from tick bites when in wooded or grassy areas
• Seek prompt treatment for any cuts or wounds to prevent infection

Can a healthy diet help prevent swollen lymph nodes? While a nutritious diet can support overall immune function, it can’t directly prevent lymph node swelling. However, a well-balanced diet rich in fruits, vegetables, and lean proteins can help your body fight off infections more effectively.

Living with Swollen Lymph Nodes: Self-Care Tips

If you’re dealing with swollen lymph nodes in your armpit, here are some self-care measures that may help:

• Apply a warm, moist compress to the affected area for 10-15 minutes several times a day
• Get plenty of rest to support your body’s healing process
• Stay hydrated by drinking plenty of water and other fluids
• Wear loose-fitting clothing to avoid irritating the swollen area
• Take over-the-counter pain relievers if recommended by your healthcare provider
• Avoid activities that cause discomfort in the affected arm

How long should you continue these self-care measures? It’s best to continue these practices until the swelling subsides or as directed by your healthcare provider. If symptoms persist or worsen despite self-care, consult your doctor.

Understanding swollen lymph nodes in the armpit can help you recognize when to seek medical attention and how to manage this common symptom. While often harmless and temporary, swollen lymph nodes can sometimes indicate more serious conditions. By staying informed and attentive to your body’s signals, you can ensure timely and appropriate care for your health.

Swollen lymph nodes in armpit: Symptoms, causes, and treatment

Lymph nodes are part of the body’s immune system. A swollen lymph node in the armpit may be a sign of a bacterial or viral infection, an injury, or a serious health condition, such as cancer.

The possible causes of lymph node swelling range in severity from common infections that typically resolve on their own to more serious conditions, such as lymphoma.

In this article, we look at why lymph nodes swell, the most common causes of this symptom, and when to consult a doctor.

When a person has an infection or injury, the lymph nodes may swell as they start to filter unwanted cells from the lymph.

Lymph is a watery fluid that carries oxygen to the cells and transports waste products away from them. It also contains white blood cells, which help fight infections.

As the lymph nodes begin to work harder to remove waste, they can enlarge. This enlargement is more common in certain areas of the body, including the neck, armpits, and groin.

A swollen lymph node may be painful and tender to the touch. In some cases, it will be visibly enlarged under the skin, but in others, it will be smaller or deeper in the body and only apparent when touching the area.

Many viruses can cause swollen lymph nodes. These include:

• varicella-zoster virus, which causes chickenpox
• measles
• mumps
• rubella
• HIV

Infections with these viruses usually produce other visible symptoms, such as a rash.

However, other viral conditions can cause swollen lymph nodes with no other visible symptoms. These include:

Influenza (flu)

The flu is a respiratory infection that can also cause the lymph nodes to swell. The symptoms of the flu are similar to those of other respiratory viruses, but they tend to be more severe. They also often develop suddenly rather than gradually.

Other symptoms of the flu include:

• fatigue
• sore throat
• a cough
• runny or stuffy nose
• body aches
• headaches
• fever or chills

Vomiting and diarrhea can also occur, but these symptoms are more common in children.

While a person has the flu, they should stay at home and rest, avoiding contact with others. Most people recover from the flu without treatment, but it can sometimes cause complications.

People who are most at risk of complications include:

• young children
• adults over 65 years of age
• pregnant people
• people with underlying health conditions

People in these groups may need antiviral medication to prevent severe symptoms. Getting a flu vaccine each year is the best way to avoid getting the flu.

Infectious mononucleosis

Infectious mononucleosis, also known as mono or glandular fever, is the result of a viral infection. It can cause lymph nodes in the neck and armpits to swell. Mono also causes symptoms such as:

• extreme fatigue
• fever
• swelling in the liver, spleen, or both
• sore throat
• body aches
• headaches

Mono will eventually go away on its own. Most people recover in 2–4 weeks, but some experience symptoms for longer. Resting, drinking fluids, and taking over-the-counter (OTC) pain relievers can help during recovery.

Bacterial infections can also cause the lymph nodes to swell. Some examples of infections that could affect the nodes in the armpit include:

Cellulitis

Cellulitis is a skin infection. It occurs when bacteria penetrate the skin and infect the deeper layers, potentially as a result of an injury that led to an area of broken skin.

Cellulitis may cause nearby lymph nodes to swell. For example, an infection in the arm may cause the lymph nodes in the armpit to enlarge. Common symptoms of cellulitis at the infection site include:

• pain and swelling
• skin sores
• skin that is warm to the touch
• redness, which may be less apparent in people with dark skin tones
• hardening of the skin
• fluid collection under the skin

Additional symptoms of cellulitis may include:

• fever or chills
• body aches
• muscle and joint pain
• vomiting and nausea
• fatigue

Doctors treat cellulitis with antibiotics. A person may need to stay in the hospital if the infection is severe or they require IV antibiotics, which a doctor administers directly into a vein.

Lyme disease

Lyme disease spreads via the saliva of certain species of tick, which are small insects that can bite humans. One of the early symptoms of Lyme disease is swollen lymph nodes, which may appear 3–30 days after the tick bite occurred.

Other early symptoms include:

• a circular rash resembling a bull’s-eye at the site of the bite
• fever
• chills
• joint or muscle aches
• fatigue
• headaches

A doctor will typically prescribe antibiotics to treat Lyme disease. Anyone who suspects that they have this condition should seek medical attention promptly.

Other bacterial infections that can cause swollen lymph nodes include:

• chlamydia
• syphilis
• tuberculosis

However, these infections typically affect the lymph nodes in other areas of the body, such as the neck or groin. They are less likely to cause swelling in the armpits.

Bacteria and viruses are not always responsible for swollen lymph nodes in the armpit. Other possible causes include:

Rheumatoid arthritis

Rheumatoid arthritis (RA) is one of several autoimmune conditions that can cause swollen lymph nodes.

RA occurs when the body’s immune system mistakenly attacks the lining of the joints, causing stiffness, pain, and warmth.

A 2019 review article states that RA affects the lymph nodes, reducing their capacity to drain fluid from nearby inflamed joints. This impairment may lead to local lymph node enlargement.

Doctors treat RA with medications that reduce inflammation and relieve pain. Physical therapy may also help. In some cases, a doctor may recommend surgery to replace or repair affected joints.

Cancer

In some cases, swollen lymph nodes are a symptom of cancer.

Cancer that begins in the lymphatic system is known as lymphoma. There are several types of lymphoma, including:

• Hodgkin lymphoma
• non-Hodgkin lymphoma
• non-Hodgkin lymphoma in children
• Waldenström macroglobulinemia
• lymphoma of the skin

In addition to swollen lymph nodes, the symptoms of lymphoma can include:

• unintentional weight loss
• feeling tired
• fever
• night sweats

Other types of cancer that have spread to the lymph nodes, such as breast cancer, can also cause swelling in these parts of the body.

The type and stage of the cancer, as well as a person’s age and overall health, will affect what treatment doctors recommend.

However, it is worth remembering that there are many causes of swollen lymph nodes that are not related to cancer.

A doctor can determine the cause of swollen lymph nodes in the armpit and recommend the best treatment. They may ask about the person’s symptoms, review their medical history, and perform a physical examination.

In some cases, a doctor may also carry out diagnostic tests, such as blood tests, a biopsy, or medical imaging.

In most cases, the swelling in lymph nodes under the armpit will resolve within 1–2 weeks.

If the swelling lasts for longer or worsens over time, a person should speak with a doctor.

Swollen lymph nodes can be painful. While a person receives medical treatment, they can also try certain techniques at home to ease any tenderness.

For instance, a person can apply a warm compress to reduce pain. They can run warm or hot water over a washcloth and wring it mostly dry before placing it on the swollen lymph node.

People can also take OTC pain medications, such as acetaminophen or ibuprofen, to relieve pain. A person should talk with their doctor if they are not sure what medications are best for them.

Anyone with swollen lymph nodes in their armpit should talk with a doctor. Swollen lymph nodes have many potential causes, and a doctor can rule out possibilities that require prompt treatment, such as Lyme disease.

Although swollen lymph nodes often result from an infection, it is important for a person to schedule an appointment if:

• the swelling continues for more than 2 weeks or worsens after this time
• the lump feels hard or does not move when a person touches it
• there is swelling in lymph nodes in more than one area — for example, in both the neck and armpits
• the swollen lymph nodes are not painful
• there are other symptoms, such as fever, night sweats, or unexplained weight loss

A person should also consult their doctor about swollen lymph nodes if they have previously had cancer treatment.

Swollen lymph nodes in the armpit can be a sign of common viral infections, such as the flu or mono. They can also occur as a result of a bacterial infection or RA. In some cases, swollen lymph nodes are a symptom of cancer.

Warm compresses and OTC pain medication can ease any pain or tenderness. However, a person should talk with a doctor if they have swollen lymph nodes with no clear cause.

Swollen Lymph Nodes in the Armpit: Pictures, Treatments, & More

Swollen lymph nodes in the armpit may indicate an infection, injury, or disease that requires medical attention. However, it’s usually not a sign of cancer.

Read on to learn what it means to have swollen lymph nodes in your armpit.

Lymph nodes are critical parts of the immune system. They filter foreign substances from the body and store white blood cells called lymphocytes. Lymphocytes fight disease and infections.

You have hundreds of small bean-shaped lymph nodes throughout the body, including in your:

• neck
• armpit
• chest
• abdomen
• groin

A lymph node in the armpit that’s only slightly enlarged may be difficult to see, but you may be able to feel it with your fingers. A serious infection or other condition may cause one or more nodes to swell enough that you can see a lump under your skin.

Keep in mind that the armpit contains many nodes, so swelling could occur in the front, center, or back of the armpit, as well as along part of the upper arm near the armpit.

In addition to being swollen, an affected lymph node may also be sore or tender to the touch.

Share on PinterestCT scan showing swollen lymph nodes in armpit.
Ahn, R. W., Mootz, A. R., Brewington, C. C., & Abbara, S.

Share on PinterestSwollen lymph nodes in the armpit due to infection.
Casa nayafana/Shuuterstock

Share on PinterestEnlarged lymph nodes in the armpit due to tuberculosis.
Zay Nyi Nyi/Shutterstock

To check for a swollen lymph node in the armpit, lift your arm slightly and gently place your fingers into your armpit. Press your fingers against the center of the armpit and then around the front and back of the armpit along the chest wall. Do the same on the other side.

Lymph nodes exist in pairs on each side of the body, and typically only one node in a pair will be swollen. By comparing both sides, it may be a little easier to tell if one is enlarged.

If lymph nodes are swollen in more than one part of the body, the condition is known as generalized lymphadenopathy, which suggests a systemic illness. Localized lymphadenopathy refers to swollen lymph node(s) in one location.

The location of swollen lymph nodes usually suggests the cause of the problem. A swollen lymph node in the neck, for example, is often a sign of an upper respiratory infection.

When lymph nodes in the armpit become swollen, your body may be fighting a viral infection, or any of several other conditions. The potential causes of a swollen lymph node in the armpit can include:

Viral infection

Common viruses can trigger swelling in one or more lymph nodes in the armpit. They can include:

• flu
• common cold
• mononucleosis

More serious viral infections that may cause lymph node enlargement include herpes, rubella, and HIV.

These viruses may also cause lymph nodes in the neck to become enlarged, too. In many cases, rest, fluids, and time are all that you can do while your immune system fights off the virus. For certain viral infections, like HIV, antiviral medications may be necessary.

Bacterial infection

Some common bacterial infections on the arm or surrounding chest wall, including staphylococcus and streptococcus, can lead to an enlarged lymph node in the armpit and elsewhere in the body. Antibiotics and rest are usually enough to overcome a bacterial infection.

Immune system disorder

Flare-ups of autoimmune disorders, like lupus and rheumatoid arthritis, can cause temporary enlargement of the lymph nodes in an armpit. Treatments vary, depending on the cause, but anti-inflammatory medications, pain relievers, and in serious cases, immunosuppressant drugs may be necessary.

Cancer

Certain types of cancer directly involve the lymphatic system. Lymphoma actually originates in the lymph glands. Leukemia, a cancer of the blood cells, can cause inflammation and swelling of the lymph nodes.

Cancers that form in other organs or tissue may spread to the lymphatic system. Breast cancer, for example, can cause swelling of the lymph nodes in the armpit.

An enlarged lymph node near a cancerous tumor is often suspected of also being cancerous. Cancer treatments vary and may include chemotherapy, radiation therapy, surgery, and other approaches.

Medications

In rare cases, certain medications can cause lymph nodes to swell. Among them are:

• ACE inhibitors, beta blockers, and vasodilators to treat high blood pressure
• anticonvulsant drugs, including phenytoin and primidone
• anti-malarial drugs, including quinidine
• uric acid reducers, like allopurinol

Switching medications or adjusting doses may be enough to reduce side effects like lymph node enlargement.

As your body starts to successfully fight off the infection, the swelling in your lymph nodes should start to diminish.

With a typical bacterial infection, for example, a course of antibiotics should start to relieve lymph node swelling and other symptoms within a few days. A stubborn viral infection could take longer.

If your other symptoms are subsiding, but your lymph nodes remain swollen, tell a health professional. You may need additional treatment or a follow-up exam to see if there are other reasons your lymph nodes are still enlarged.

Because swollen lymph nodes are more often signs of an infection, rather than cancer, you may be inclined to dismiss swelling as a temporary symptom that’ll subside as you get over your infection. In many cases, that’s exactly what will happen.

If you’re unsure whether to seek a medical evaluation for swollen lymph nodes, these signs may be reasons to see a medical professional:

• One or more lymph nodes are swollen for no obvious reason.
• The swelling has lasted or gotten worse over a period of 2 or more weeks.
• The affected node feels hard and immovable when you press on it.
• The swollen lymph nodes aren’t painful.
• You have swollen lymph nodes in separate areas, like the armpit and groin.
• You have other symptoms, like:
  • redness or fluid oozing around the node
  • fever
  • cough
  • night sweats
  • unexplained weight loss
  • pain elsewhere in your body

Swollen lymph nodes typically get better once your illness has been treated or goes away on its own. To support your immune system as it responds to the infection or illness, you can rest and drink plenty of fluids. If you are prescribed medication, be sure to take it according to the prescribing doctor’s instructions.

If you feel discomfort or pain due to your swollen lymph node, you can try applying a warm compress to ease discomfort. Over-the-counter (OTC) pain medication, such as acetaminophen (Tylenol), may also help reduce pain.

If your pain gets worse or does not resolve, you may need to consult a doctor for additional treatment or testing.

Most of the time, a swollen lymph node means your body’s immune system is doing its job in responding to an infection or other health problem. That also means you’re dealing with an illness or injury that may require treatment.

If you’re battling a cold, for instance, and you notice slight swelling of a lymph node in your armpit, pay attention to it for a few days and see if the swelling goes down when you start feeling better.

Unexplained swelling or the presence of other serious symptoms should prompt a visit with a health professional for a more complete evaluation.

Inflammation of the lymph node under the arm – what to do?

Inflammation of the lymph node under the arm is a sign that almost immediately makes itself felt. The fact is that the inflammatory reaction is accompanied by significant swelling, so even with a slight touch, the inflamed lymph nodes under the arm will hurt. As a rule, axillary lymphadenitis most often occurs after a respiratory illness. Therefore, if such a complication occurs, it is necessary to seek help from a qualified specialist as soon as possible.

Why do the lymph nodes under the armpits become inflamed?

Inflammation of the lymph nodes is called lymphadentitis. Most often, the lymph nodes become inflamed due to staphylococci, streptococci and E. coli. If too many bacteria accumulate in the body, and the lymphatic system can no longer cope with them, its nodes accumulate pathogens and become inflamed.

Axillary lymph nodes become inflamed due to a variety of reasons. For example, with a disease of the mammary glands, during a cold, infectious or oncological diseases. Furunculosis, increased work of the sweat glands, colds and respiratory diseases, allergies, and intoxications can also be factors.

Sometimes one lymph node becomes inflamed, sometimes lymph nodes all over the body become inflamed. Sometimes they increase so much that they become sensitive and painful. Those that appear in the armpits ache, blush and swell. Inflammation can be accompanied by weakness in the body, nausea, vomiting, drowsiness and headache.

Symptoms of axillary lymphadenitis

The inflammatory process in the regional axillary lymph nodes has an isolated character and is usually characterized by a catarrhal or purulent course. Below are the most common clinical pictures of inflammation of the axillary lymph nodes.

• Acute catarrhal form. This inflammatory process is more common than others and often occurs in a mild form. It is characterized by severe pain, enlargement of the lymph nodes and their compaction. With catarrhal inflammation, the lymph nodes are easily separated and do not lose their mobility. In the axillary region, hyperemia and mild swelling may develop. The patient may report deterioration, discomfort during shoulder abduction, and mild subfebrile condition.
• Purulent form. This type of inflammatory process is the most dangerous due to the formation of a purulent focus, which can be represented by single or multiple abscesses. The lymph node itself loses its mobility and becomes painful and swollen. Nearby tissues are sharply hyperemic, may be subject to alteration or melting. Possible soldering of the lymph nodes with the skin.
• Chronic course of lymphadenitis. Quite often there are sluggish inflammatory processes, in which the lymph node under the arm becomes inflamed when the immune system is weakened and the body’s resistance to various infectious agents is reduced. Symptoms in this form are mild, the lymph nodes are mobile, but there is a slight soreness.

Treatment of lymph nodes

Treatment of lymphadenopathy of the axillary lymph nodes consists in the selection of the correct etiotropic and pathogenetic therapy. The main thing is to remember that patients are strictly forbidden to attempt to independently eliminate such a manifestation of the inflammatory reaction.

As a rule, all treatment is based on the elimination of the inflammatory focus, which caused the development of axillary lymphadenitis. Often, a course of antibiotic therapy or a number of anti-inflammatory drugs is prescribed for this. In addition, it is advisable to use compresses with Dimexide, immunomodulatory drugs and a course of physiotherapy procedures, which will contribute to the overall strengthening of the body.

With the development of a malignant process with concomitant lymphadenitis, the patient is indicated for a course of chemotherapy or surgical treatment.

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symptoms, causes, classification, what to do with inflammation of the lymph nodes

Therapist deals with the treatment of this disease

The information provided on this page should not be used for self-treatment or self-diagnosis. If you suspect a disease, you should seek help from a qualified specialist. Only your doctor can diagnose and prescribe treatment.

Article content:

• What is the lymphatic system
• Functions of the lymph nodes
• What is lymphadenitis
• Causes
• Disease classification
• Symptoms
• Routes of infection
• Possible complications
• When to see a doctor
• Diagnostics
• Methods of treatment
• Disease prognosis and prevention

What is inflammation of the lymph nodes?

The lymphatic system ensures the normal functioning of the immune system, internal organs and tissues. One of the most common diseases of the lymphatic system is lymphadenitis of the lymph nodes. The disease has a different etiology, symptoms and degree of danger to health. In the article we will talk about how to recognize pathology and what methods of treatment exist.

What is the lymphatic system

The lymphatic system is a network of lymphatic vessels and nodes. These vessels transport a special liquid – lymph. It is responsible for the transport of proteins, salts and metabolites into the blood.

Lymph nodes act as a filter. They purify the lymph from pathogenic microorganisms and foreign substances, due to which purified and safe lymphatic fluid enters the bloodstream. Source:
The role of lymph nodes in human life. Okunyaka O.M., Tumasyan T.I. Bulletin of science. 2019. №3. pp.60-62.

The lymphatic system performs three main functions:

1. Participates in immune defense. Together with the flow of lymph, pathogenic microorganisms enter the lymph nodes, where they are recognized and destroyed.
2. Maintains proper fluid levels in tissues. With an excessive amount of fluid, the lymphatic vessels “drain” organs and tissues.
3. Produces fat metabolism. Lymphatic vessels transport lipids, which are involved in almost all metabolic processes.

Functions of the lymph nodes

There are about 500 lymph nodes in the human body. They play the role of a barrier and a pump, perform several important functions:

• Hematopoietic. Lymph nodes are involved in the development of white blood cells – lymphocytes. Lymphocytes are cells of the immune system responsible for fighting various infections and diseases.
• Drainage, or transport. Lymph nodes play an important role in the transport of lymph, which enters the lymphatic vessels from the intercellular spaces of tissues. Due to this, exudate and metabolic products are utilized from the tissues.
• Barrier. Lymph nodes serve as a barrier to infected cells and microorganisms, preventing them from spreading throughout the body. They can also form antibodies that help neutralize and destroy infectious agents.

What is lymphadenitis

Lymphadenitis is an inflammation of the lymph nodes. In most cases, this is not an independent disease, but a complication of the primary pathology. It is most often a sign of a bacterial, viral, fungal, or protozoal infection. Source:
Lymphadenopathy. Melikyan A.L., Egorova E.K., Kovrigina A.M. Clinical guidelines. 2018. p.5-30. Therefore, to find the cause of the inflammatory process, complex diagnostics are needed.

Depending on the etiology, one or more lymph nodes may become inflamed. With lymphadenitis, the following types of lymph nodes are usually affected:

• cervical;
• elbow;
• submandibular;
• popliteal;
• inguinal;
• axillary.

In lymphadenitis, the lymph node becomes enlarged and painful. This is due to an increase in the number of lymphocytes and other cells of the immune system that collect inside it. If an infectious agent has entered the lymph node and caused the formation of an abscess or abscess, purulent inflammation may develop.

In the absence of timely treatment, lymphadenitis provokes the development of dangerous complications: the spread of infection to other tissues and organs, the formation of fistulas, sepsis. Therefore, it is important to consult a doctor at the first sign of illness.

Causes

Most common causes:

• Infections. In most cases, inflammation in the area of ​​the lymph node occurs precisely against the background of infection: tonsillitis, scarlet fever, stomatitis, SARS, influenza, tuberculosis, brucellosis, chicken pox, etc.
• Injuries and operations. Any injury, surgery and other damage to the lymph node can cause inflammation.
• Allergic reactions. Some allergens activate a cascade of inflammatory responses.
• Oncological diseases. Lymphadenitis sometimes becomes one of the signs of malignant tumors of the lymphatic system, especially lymphoma.
• Autoimmune diseases. Lymph node inflammation can accompany systemic lupus erythematosus and rheumatoid arthritis.

In some cases, it is not possible to determine the etiology of inflammation of the lymph node. Then a diagnosis of “lymphadenitis, unspecified” is established.

Clinical recommendations of the Ministry of Health of the Russian Federation offer several classifications of lymphadenitis.

Origin:

• Primary. Occurs when an infection or other cause of inflammation occurs directly in the lymph node. This most commonly occurs when bacteria or other pathogens enter the body through a skin wound, or when certain viruses, such as the Epstein-Barr virus, infect the lymphatic system.
• Secondary. Occurs when an infection or other cause of inflammation is localized not in the lymph node itself, but elsewhere in the body. In this case, the inflammatory process spreads from the primary focus to the lymph nodes through the lymphatic vessels. For example, secondary lymphadenitis can occur with an infection of the pharynx or teeth, as well as in the presence of cancer or blood diseases.

Intensity and duration of inflammation:

• Acute. It is characterized by an abrupt onset, rapid progression, and an acute inflammatory response. Usually acute lymphadenitis is accompanied by pain, swelling, redness of the skin, fever and other signs of inflammation. Source:
  Treatment of chronic tonsillitis and acute lymphadenitis. Pavlova K.V. Medicines and rational pharmacotherapy. 2022. No. 5-2. pp. 90-91.
• Chronic. It is characterized by a sluggish long course and a low intensity of the inflammatory process. Most often it develops against the background of untreated acute lymphadenitis. The chronic form is characterized by two periods: exacerbation and remission. In the first case, clinical manifestations are pronounced, in the second – weakly or completely absent, an imaginary recovery occurs.
• Recurrent. It is characterized by periodic exacerbations of inflammation after a temporary improvement. Usually, relapses occur in the presence of a chronic infectious or inflammatory process in the body.

By the nature of inflammation:

• Purulent. It is characterized by the formation of pus inside the lymph node. It occurs as a result of an infection caused by bacteria, fungi, or other microorganisms. As a rule, purulent lymphadenitis is accompanied by severe pain, swelling, redness of the skin and fever.
• Serous. It differs in the formation of serous fluid inside the affected lymph node, and the inflammatory process does not go beyond its capsule. Often found in children.

Localization:

• submandibular – usually occurs against the background of diseases of the oral cavity, teeth or pharynx;
• axillary – associated with infectious or oncological diseases of the breast;
• inguinal – occurs against the background of skin infections and skin lesions;
• cervical – develops when the pharynx, mouth, nose or ears are affected. Source:
  Diagnosis and management of cervical lymphadenitis. Skorlyakov V.V., Babiev V.F., Keshchyan S.S., Stagnieva I.V., Boyko N.V. Young scientist. 2017. No. 16. pp. 75-78;
• parotid – caused by infectious diseases of the ear or mouth;
• occipital – occurs against the background of pathologies of the skin or upper respiratory tract.

Symptoms

Symptoms of lymphadenitis depend on its type, location and cause. The most common signs of inflammation of the lymph node:

• swelling and soreness of the affected lymph node;
• redness of the skin in the affected area;
• general weakness, fatigue and fever;
• pain and discomfort when touching an affected lymph node;
• headache;
• sometimes – nausea, vomiting and loss of appetite;
• excessive sweating, especially at night;
• discoloration and texture of the skin in the area of ​​an inflamed lymph node;
• appearance of spots on the skin or other rashes.

Ways of infection

Primary cause of secondary lymphadenitis can be:

• trophic ulcer;
• caries;
• otitis;
• influenza;
• tonsillitis;
• angina;
• herpes;
• tumor;
• tuberculosis and more.

Lymphadenitis sometimes develops due to damage to the skin: scratches, wounds or insect bites, which can become an entry gate for bacteria.

Possible complications

Many people don’t even realize the danger of lymphadenitis. Without timely treatment, the disease leads to various, including dangerous consequences. Most often, the following complications develop:

• abscess – a limited accumulation of pus in the tissues, surrounded by a membrane;
• sepsis is a severe infectious disease in which the infection spreads throughout the body through the bloodstream;
• compression of surrounding tissues – enlarged lymph nodes cause discomfort and put pressure on neighboring tissues;
• thrombophlebitis – inflammation of the venous wall with the formation of blood clots that can clog the lumen of the vein;
• fistula – the formation of a pathological channel as a result of the accumulation of purulent fluid.

When to see a doctor

Lymphadenitis is diagnosed and treated by a vascular surgeon. It is necessary to consult a doctor at the first signs of the disease. The specialist will prescribe a diagnosis to identify the cause of inflammation and tell the patient what to do. Timely access to a doctor prevents the development of dangerous complications.

Diagnosis

Diagnosis of lymphadenitis is aimed at finding the cause of the inflammatory process, assessing the current state of the lymph node and the body as a whole. For this, a comprehensive examination is used:

• Inspection. The doctor examines the skin at the site of the affected lymph node, evaluates its size, shape, texture, temperature and sensitivity of the skin.
• General and biochemical blood test. Analyzes confirm the inflammatory and infectious process.
• Biopsy. Taking a sample of a lymph node for histological examination allows you to determine the cellular composition of the tissue and differentiate the tumor. Source:
  Differential diagnosis of bacterial and viral lymphadenitis in children. Antonova S.S., Botvin’eva V.V., Sitnikov I.G. VSP. 2008. No. 3. pp.76-78.
• ultrasound. Ultrasound examination helps to determine the size and structure of the lymph node, as well as to identify the neoplasm.
• CT and MRI. The procedures are used for layer-by-layer study of the lymph node and surrounding soft tissues.
• Culture study. If lymphadenitis is caused by a bacterial infection, a bacterial culture is performed to determine the type of bacteria and select the most effective antibiotic.

Methods of treatment

The doctor chooses the method of treatment individually for each clinical case. It depends on the etiology of inflammation, the current state of the patient and associated complications. In most cases, conservative therapy is used, including medication, including:

• antibiotics if there is a bacterial infection;
• antiviral drugs – in the presence of a viral infection;
• antifungals – in the presence of a fungal infection;
• non-steroidal anti-inflammatory drugs – for the relief of inflammation and pain.

In addition, physiotherapy, compresses and massage are used. In the presence of abscesses, surgical intervention is indicated – removal of purulent contents and sanitation of the affected tissues.

Prognosis and prevention of the disease

With timely visit to the doctor, lymphadenitis of the lymph node has a favorable prognosis. Early initiation of treatment allows you to achieve complete recovery, prevent the development of complications and the transition of the disease to a chronic form.

Due to the lack of a single etiology, there is no specific prevention of lymphadenitis. The following recommendations will help prevent infection:

• Maintain good personal hygiene. Wash your hands regularly with soap and water, especially after handling animals and visiting public places.
• Minimize contact with infected patients and visits to crowded places. If there is a sick person in the family, it is necessary to limit contact with him.
• Using only your own hygiene items. Do not use other people’s towels, razors, toothbrushes, etc.
• Strengthening immunity: giving up bad habits, maintaining physical activity, proper nutrition and regular walks in the fresh air.
• Timely treatment of diseases. When the first symptoms appear, you should immediately consult a doctor and do not self-medicate.
• Vaccination. Timely vaccination helps prevent infections that can cause lymphadenitis. You need to be vaccinated both in childhood and in adulthood.

• Differential diagnosis of bacterial and viral lymphadenitis in children. Antonova S.S., Botvin’eva V.V., Sitnikov I.G. VSP. 2008. No. 3. pp.76-78
• The role of lymph nodes in human life. Okunyaka O.M., Tumasyan T.I. Bulletin of science. 2019. №3. p.60-62
• Diagnosis and treatment of cervical lymphadenitis. Skorlyakov V.V., Babiev V.F., Keshchyan S.S., Stagnieva I.V., Boyko N.V. Young scientist. 2017. No. 16. pp.75-78
• Treatment of chronic tonsillitis and acute lymphadenitis. Pavlova K.V. Medicines and rational pharmacotherapy. 2022. No. 5-2. p.90-91
• Lymphadenopathy. Melikyan A.L., Egorova E.K., Kovrigina A.M. Clinical guidelines. 2018. p.5-30

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