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Fever nausea headache fatigue: Headache, nausea, and fatigue: Causes and links

Headache, nausea, and fatigue: Causes and links

Headaches, nausea, and fatigue are unpleasant symptoms on their own, and sometimes they occur together.

People can usually manage these symptoms at home with conservative treatments, but, occasionally, they can signal an underlying health condition.

In this article, learn about the causes of a headache, nausea, and fatigue, as well as about the possible treatments.

Share on PinterestMild dehydration is a possible cause of a headache, nausea, and fatigue.

Headaches, nausea, and fatigue can be triggered separately by common factors, such as:

  • mild dehydration
  • disturbed sleep
  • stress

Often, once a person deals with the underlying cause by drinking enough water or getting a good night’s rest, the headache, nausea, and fatigue will disappear.

However, there are several conditions that can cause headaches, nausea, and fatigue that may require medical attention. Some are more common than others.


Influenza, or the flu, is a very common viral illness. Symptoms of the flu include:

  • fever
  • cough
  • sore throat
  • headaches
  • fatigue
  • achy muscles
  • runny or stuffed up nose
  • nausea, vomiting, and diarrhea (more common in children)

Most people who contract the flu recover within 2 weeks. However, some people are at risk of developing complications, such as sinus infections and pneumonia. These groups of people include:

  • people over 65 years of age
  • people with pre-existing health conditions, such as asthma or heart disease
  • pregnant women
  • children under 5 years of age


According to the American Migraine Foundation, migraine affects 37 million people in the United States.

There are several stages of a migraine episode:

  • Prodrome, or “pre-headache,” which can last a few hours to several days.
  • Aura, which can include blurry vision or blind spots, lasting up to 1 hour.
  • Headache on one or both sides of the head, lasting up to 3 days.
  • Postdrome, or “migraine hangover,” lasting up to 2 days.

Throughout these stages, a person can experience several symptoms, along with headaches, nausea, and fatigue. Some of these include:

  • sensitivity to light and sound
  • trouble sleeping
  • irritability
  • vomiting
  • inability to concentrate

There are medications available for migraines, split into two categories. These categories are for acute or preventative treatment.

A person takes acute medication at the first sign of a migraine attack, whereas they take preventative medication regularly to try to reduce the number and severity of migraines.

Chronic fatigue syndrome

Chronic fatigue syndrome (CFS) is a complex condition that may stop people from taking part in their usual activities.

It affects an estimated 836,000–2.5 million people in the U. S. alone. Doctors do not currently know what causes the condition.

As well as fatigue, headaches, and nausea, signs of CFS can include:

  • flu-like symptoms
  • achy muscles
  • difficulty getting to sleep or waking up
  • sensitivity to light and sound
  • loss of appetite

There is currently no cure for CFS. However, doctors will work with people to address their main symptoms.

The Centers for Disease Control and Prevention (CDC) also recommend professional counseling and other complementary therapies, as well as following a healthful, balanced diet.

Less common causes

Other, less common causes of headache, nausea, and fatigue include:

  • yellow fever, which is more common in tropical and subtropical regions
  • postural tachycardia syndrome, which occurs when rising from a seated or reclining position
  • heatstroke, which happens due to exposure to heat
  • Addison’s disease, a hormonal condition
  • pregnancy, which may cause these symptoms due to hormone changes

Headaches, nausea, and fatigue are very common symptoms of other health conditions. As such, it is difficult to determine whether these symptoms can directly affect each other.

A 2014 study on nausea in people with migraine suggests that these symptoms may come from different parts of the brain.

The researchers found that the areas of the brain relating to nausea showed an increase in activity before headaches occurred.

Also, nausea became worse when headaches appeared, possibly due to connections between the two areas responsible for these symptoms activating.

The authors concluded that although headaches can make nausea worse, neither of these symptoms directly causes the other.

There are many reasons why a person may experience fatigue.

A 2017 study suggested that migraines and fatigue, as a symptom of depression, may be linked by a dysfunction of the hypothalamus. However, it is not clear whether headaches cause fatigue or vice versa.

Research has found a similar link between conditions that cause fatigue, such as fibromyalgia and migraines.

One study found that more than half of 1,730 people with fibromyalgia also experienced migraine episodes, suggesting a link between fatigue and headaches.

A 2019 study found that more than a third of people who have CFS also experience migraines headaches. As CFS affects the nervous system, it may have a knock-on effect on blood vessels, leading to migraine headaches.

However, this study only surveyed 150 people, so the sample may not be reflective of a larger population.

A 2018 study has suggested that hypotension may be the common link between fatigue and nausea in people with CFS.

Hypotension, or low blood pressure, may trigger an autoimmune response. This response may, in turn, trigger symptoms such as nausea and fatigue in those who have CFS.

Headaches, nausea, and fatigue have many links, but it is difficult to prove that one causes the other.

Headaches can have many causes, such as stress or dehydration. Similarly, any number of everyday triggers can cause nausea and fatigue.

However, it is important to see a doctor if these three symptoms are severe, long lasting, or affect daily activities.

When headaches, nausea, and fatigue appear together, they may be symptoms underlying another health condition.

Headaches, nausea, and fatigue have many causes. When they appear together, they can be symptoms of conditions such as the flu, migraines, or CFS.

While occasionally experiencing these symptoms is usually nothing to be concerned about, people should see a doctor if they are affecting daily activities.

Studies have shown links between the three symptoms, but, as these symptoms often present together in multiple health conditions, it can be difficult to determine whether they can cause each other.

Headache, nausea, dizziness, fatigue, and stomach pain: Cause

Many illnesses can cause a headache, nausea, fatigue, dizziness, and stomach pain. It is difficult to narrow down the specific condition a person may have, based on symptoms alone.

The symptoms may also be interlinked. For example, a person may experience a headache and dizziness as symptoms of changes in their head. They may experience stomach pain as a result of nausea. Fatigue may result if a person is tired due to pain.

This article will explain some possible causes of headaches, nausea, dizziness, fatigue, and stomach pain, including gastroenteritis, migraine, and COVID-19. It will also advise when a person should contact a doctor or healthcare professional for each possible cause.

There are many possible causes for these symptoms, including those below. If someone experiences the symptoms, it is essential to contact their doctor and avoid self-diagnosing. This way, they can obtain the most accurate diagnosis and receive appropriate treatment.

Gastroenteritis results from inflammation of the stomach and intestines. Different conditions can cause gastroenteritis, including viruses such as norovirus and bacterial infections such as Salmonella. Some people refer to viral gastroenteritis as stomach flu.


A person with gastroenteritis may experience:

  • vomiting
  • watery diarrhea
  • headache
  • fever
  • muscle cramps
  • stomach cramps

Headaches can be a symptom of dehydration resulting from the gastroenteritis infection itself. They may also occur due to muscle stiffness from vomiting or having to stay in bed for long periods.

Dizziness may occur because of lost fluids from diarrhea or vomiting.

Learn what a person with stomach flu should eat here.

When to contact a doctor

Most cases of gastroenteritis are viral and go away on their own.

However, if a person shows signs of dehydration or the illness becomes severe, they should contact a doctor or healthcare professional. Symptoms of dehydration or severe gastroenteritis may include:

  • irritability
  • diarrhea for more than 2 days
  • high fever
  • six or more bouts of diarrhea a day
  • severe pain in the stomach or rectum
  • black or bloody stools
  • stools with pus
  • sunken eyes
  • extreme thirst
  • dark urine

Treatment of gastroenteritis may involve antibiotics, especially if a person is a young child, an older adult, or pregnant.

Learn more about signs of dehydration here.

Sometimes people experience headaches, nausea, dizziness, fatigue, and stomach pain during pregnancy. Some people may experience these symptoms early on in pregnancy as pregnancy hormone levels rise. However, symptoms can occur at any time during pregnancy.


A 2021 review confirms that a person who is pregnant may experience:

  • headaches
  • vomiting or nausea
  • stomach pain
  • pelvic pain
  • dizziness or lightheadedness
  • low blood pressure
  • high heart rate
  • changes in vaginal discharge or urine

When to contact a doctor

These symptoms are usually normal during pregnancy. However, it is important to tell a doctor about all symptoms and to ask about treatment options for those that disrupt daily life.

If a person experiences severe dizziness, a headache so intense it is unbearable, or they cannot keep any food down, they should seek care right away.

Some people find relief from pregnancy symptoms by avoiding certain foods, drinking more water, or resting.

Learn more about what to expect during pregnancy here.

Migraine is a chronic condition. Most people who have migraine experience it often during their life.


A migraine headache is a type of neurological headache that causes:

  • intense head pain
  • nausea
  • changes in mood
  • dizziness

Some people also experience unusual sensations, such as strange lights or sounds.

When to contact a doctor

Migraine is not dangerous. However, if a person experiences the following symptoms alongside a migraine headache, they should contact their doctor:

  • fever
  • chills
  • unexplained weight loss
  • night sweats
  • sudden severe pain
  • facial tingling
  • vision changes
  • persistent pain in the same place in the head
  • changes in the headache pain when:
    • changing position
    • sneezing, coughing, or straining

Identifying migraine triggers can help a person avoid headaches. A doctor can also prescribe a wide range of medications, including medicines that can either prevent or treat migraines.

Read more on when to worry about a headache here.

The cold and the flu are both common respiratory illnesses, but they differ based on which virus has caused them. The flu could lead to more serious health complications, such as pneumonia.


People with the cold or influenza virus may develop the following symptoms:

  • headaches
  • stomach pain
  • dizziness
  • fever or chills
  • fatigue
  • chest pain
  • sneezing or coughing
  • sore throat

Symptoms of the flu tend to be more severe, last longer, and may come on suddenly.

When to contact a doctor

Both the cold and flu are viruses that usually go away on their own.

However, a person should contact a doctor if they experience:

  • difficulty breathing
  • ongoing chest or stomach pain or pressure
  • ongoing dizziness or confusion
  • seizures
  • severe muscle pain
  • extreme weakness
  • fever or cough that goes away and comes back or worsens

A doctor can also prescribe a drug to make the flu less severe if a person seeks treatment early. A person should drink plenty of fluids, rest, and stay home to avoid spreading the virus.

Learn how to treat a cold or flu at home here.

The novel coronavirus causes COVID-19, which is a respiratory illness. Symptoms can be severe, moderate, or a person may not notice them at all.


A person experiencing symptoms of COVID-19 may notice:

  • fever or chills
  • coughing
  • shortness of breath
  • muscle and body aches
  • stuffy nose
  • headache
  • diarrhea
  • nausea or vomiting
  • loss of taste or smell

Learn to tell the difference between COVID-19, cold, and flu symptoms here.

When to contact a doctor

A person should seek emergency medical care if they experience the following symptoms:

  • difficulty breathing
  • chest pain or pressure that does not go away
  • new confusion
  • difficulty staying awake or waking up
  • pale, blue, or gray hues to their skin

People with concussion may have recently had a blow to the head, such as from a fall or car wreck.


A head injury can cause a headache, as well as neurological symptoms such as:

  • dizziness
  • vomiting
  • nausea
  • confusion

Learn about the symptoms of concussion here.

When to contact a doctor

Treatment depends on the severity of the injury. However, it can require a doctor to hospitalize and observe the person.

Depending on the nature of the head injury, a person might need ongoing support or rehabilitation such as occupational therapy.

A stroke happens when blood flow to the brain becomes blocked, usually because of a blood clot.


The symptoms of a stroke vary from person to person and may change based on which area of the brain a stroke affects. Some people experience nausea, dizziness, or vomiting.

The most common symptoms of a stroke include:

  • not being able to raise both arms to the same level
  • one side of the face drooping, especially when a person smiles
  • severe headache
  • changes in speech, especially not being able to repeat words

When to contact a doctor

A person should go to the emergency room or call 911 immediately if they notice these symptoms in themselves or someone else. Delaying care can result in death.

There is no safe home treatment for a stroke. A doctor may perform surgery, admit a person to the hospital, or recommend long-term care, such as physical or speech therapy.

Because the brain controls much of what the body does, neurological conditions can cause symptoms such as nausea and dizziness, as well as a headache. Although rare, the appearance of these symptoms together may signal another neurological condition, such as a brain tumor.

Only a doctor can properly diagnose a neurological condition, so it is important to see a neurologist for any unexplained symptoms that do not go away with home treatment. The treatment for these symptoms will vary depending on the underlying cause.

Learn about different types of headache here.

Headaches can be scary, and nausea can make even basic daily functions difficult.

If a person experiences these symptoms alongside dizziness, stomach pain, and fatigue, they may feel concerned. However, in many cases, symptoms go away on their own or happen because of a minor illness, not because of a major health crisis.

There are many possible causes of these symptoms, in addition to the conditions above. A person should discuss their symptoms and history with a doctor to obtain a proper diagnosis.

It is important to contact a doctor as soon as possible if these symptoms do not clear up on their own or worsen, or if there are additional symptoms.

Weakness, headache, pressure on the eyes and pain in the abdomen

Do you feel weak, your head and stomach hurt, there is pressure in your eyes? Possible causes and tips to improve well-being. More details on our website.

Weakness, headache, pressure on the eyes and pain in the abdomen are unpleasant sensations that can be associated with various causes. These symptoms can be the result of various disorders, diseases and conditions. They can be temporary and go away with time or be signs of serious changes in the body.

For example, weakness can be associated with lack of sleep, overwork, and poor nutrition. Headache can occur as a result of stress, overwork, changes in weather conditions, as well as be the result of a head injury or brain disease. Pressure on the eyes can occur with eye disease, circulatory disorders, as well as when working at a computer or reading. Abdominal pain can be associated with digestive disorders, diseases of the stomach and intestines, as well as malignant tumors.

In order to correctly determine the cause of the symptoms, it is necessary to consult a doctor and undergo the necessary examination. This is the only way to help and avoid health consequences.


Weakness is a state when a person feels a decrease in strength and energy. This symptom can appear alone or in combination with other symptoms. It can occur for a variety of reasons, including illness, irregular lifestyle, stress, and fatigue.

One of the main causes of weakness is diseases such as flu, colds and infections that cause fatigue and weaken the body. Other causes include heart disease, diabetes, and thyroid disease.

Irregular lifestyles such as lack of sleep, poor diet and physical inactivity can also lead to weakness and decreased energy.

Stress and fatigue can also cause weakness. Improper stress management, information overload, and lack of time for rest and relaxation can lead to a constant feeling of tiredness and weakness.

To avoid weakness, eat right, get enough sleep, take time to exercise and avoid stressful situations. If weakness is constantly present and does not go away, it is necessary to consult a doctor to identify the cause and treat the disease.


Headache is one of the most common symptoms that can occur for many reasons. It can be different, both in nature and in intensity.

Main causes of headache:

  • Migraine is one of the most common forms of headache. It is characterized by attacks of acute pain that can last from several hours to several days. Patients with migraine often experience photophobia, nausea, vomiting, and hypersensitivity to sounds.
  • Tension is a form of headache characterized by a feeling of pressure in the forehead or occiput. It can occur due to fatigue, stress, prolonged stay in the wrong position, overwork.
  • Influenza and SARS – headache symptoms caused by influenza or SARS may be associated with congestion in the sinuses and may be accompanied by fever and general weakness.

If the headache does not stop for a long time, it is imperative to consult a specialist to examine and determine the causes of its occurrence.



Pressure on the eyes

Pressure on the eyes can manifest as a feeling of heaviness, discomfort in the eyes, difficulty in seeing, double vision, and some people may feel a throb in the eye socket.

Pressure on the eyes is often associated with glaucoma, a disease characterized by increased intraocular pressure. The disease progresses, and its symptoms can be visual impairment and even complete blindness. The risk of glaucoma increases in people over 40 years of age, with diabetes and a genetic predisposition.

Also pressure on the eyes can be associated with migraines, arterial hypertension, edema. If you regularly experience pressure on your eyes, you need to see an ophthalmologist and undergo a thorough examination, because other diseases may be the cause of the symptoms.

Abdominal pain

Abdominal pain can be caused by a variety of causes, including various abdominal diseases, digestive problems, or other medical conditions.

One of the most common types of abdominal pain is cramping. They can be caused by irritation of the intestinal walls as a result of exercise on the digestive organs or changes in the intestinal microflora. Another type of pain – stabbing pain syndrome – may indicate problems with the entities of the digestive system, such as a stomach or pancreatic ulcer.

There may be other types of abdominal pain, such as dull and sharp. Dull pain can occur in connection with certain types of cancer, liver and kidney diseases, and acute pain – with appendicitis or other acute pathologies of the abdominal organs.

If you have abdominal pain, you should see a doctor for diagnosis and treatment. This is especially important if you are suffering from other symptoms such as vomiting, diarrhea, fever, or blood in the stool.

Nervous system

The nervous system is an important component of our body responsible for transmitting signals between the brain and the body. And if something is wrong with her, it can lead to various health disorders.

One of the main causes that threaten our nervous system is stress. Constant tension and an excess of information in our brains can cause both physical and mental overwork.

Also, diseases related to the nervous system can cause symptoms such as headache, eye pressure and weakness. For example, migraine is a serious neurological disease that causes severe pain and other discomfort in the head.

Regular drinking and smoking can also harm the nervous system, as well as problems with eating and sleeping, so it is important to monitor your overall health and not forget about the right lifestyle.

  • Facts about the nervous system:
  • All movements of our body are controlled by the nervous system
  • Electrical impulses in nerve fibers are transmitted at a speed of up to 120 m/s all over body

To keep your nervous system healthy, it’s important to stay fit, exercise and lead a healthy lifestyle in general. Also, you need to take care of dreams, stress and proper nutrition. If you suspect a problem with the nervous system, see your doctor for a more detailed examination and treatment.

Excessive stress

Stress is a normal reaction of the body to adverse conditions, during which stress hormones (cortisol, adrenaline, norepinephrine) are released. However, excess stress can lead to a number of unpleasant symptoms:

  • feeling tired and weak;
  • headache and dizziness;
  • eye pressure and pupillary constriction;
  • abdominal pain, nausea and vomiting.

Excessive stress not only negatively affects the physical condition, but can also lead to psychological problems such as depression, anxiety, anxiety and panic attacks.

One of the ways to cope with stress is relaxation and treatment aimed at reducing the level of stress hormones.

Stress reduction tips:

Regular yoga or meditation;
Physical exercise, including outdoor activities;
Proper nutrition with plenty of fruits and vegetables;
Regular sleep and rest planning;
Reduce caffeine and alcohol intake;
Stress management lessons and relaxation techniques.

By following these tips and talking to professionals, you can reduce your stress levels and get rid of the negative symptoms associated with excessive stress.

Sleep disorders

Symptoms: feeling of fatigue, insomnia, daytime sleepiness, headache, depression, weakness, decreased concentration, irritability.

Violation of sleep patterns can lead to serious disorders in the body. Insufficient sleep negatively affects the immune system, increases the chances of developing cardiovascular disease, diabetes and obesity. This factor often causes headaches and pressure on the eyes.

To normalize sleep, it is necessary to adhere to the sleep-wake regime, sleep in a room with a temperature not exceeding 20 degrees, ventilate the room and ensure silence. It is also important to avoid caffeine and alcohol, especially after 4:00 pm.

Every person’s body is different, so the optimal number of hours of sleep may vary. The average adult needs 7 to 9 hours of sleep per night.

Vitamin and mineral deficiency

One of the main causes of symptoms associated with weakness, headache, pressure on the eyes and pain in the abdomen may be a lack of vitamins and minerals in the body.

Lack of B vitamins (B1, B2, B3, B6 and B12) can lead to fatigue, irritability and poor concentration. Iron deficiency can cause weakness, headache, rapid heart rate, and general fatigue. Low magnesium levels can lead to cramps, muscle weakness, and sleep problems.

In case of worsening symptoms, it is necessary to consult a doctor for the necessary tests. Only after that you can start taking vitamin and mineral preparations as prescribed by your doctor.

Diseases of the circulatory system

Hypertension is a disease in which blood presses against the walls of the arteries above normal, which leads to damage to their walls and impaired blood circulation. The main symptoms of hypertension are headaches, facial flushing, and high blood pressure.

Anemia is a condition in which the level of hemoglobin in the blood decreases, which can lead to poor oxygen supply to organs and tissues. Symptoms of anemia – weakness, fatigue, dizziness, pallor of the face.

Varicose veins is a disease in which the walls of the veins lose their elasticity, the veins expand and form knots. Symptoms of varicose veins are leg fatigue, pain and swelling, a feeling of heaviness in the legs.

  • Ischemic heart disease is a disease in which blood flow to the heart muscle is reduced due to narrowing of the arteries. Symptoms of ischemia are shortness of breath, weakness, pain and discomfort in the chest.
  • Thrombosis is a disease in which a blood clot forms inside a vessel, which can lead to cessation of blood flow and tissue damage. Symptoms of thrombosis are soreness, swelling, redness at the site of the thrombus.

Hemorrhoids is a disease in which the nodes in the rectal area enlarge and protrude, which can lead to pain and bleeding. Symptoms of hemorrhoids are itching, soreness and discomfort in the anus.

Disease category Main causes

Hypertension Kidney or endocrine disorders, poor lifestyle, stress and nervous disorders.
Anemia Impaired red blood cell production, blood loss, malnutrition, indigestion and nutrient absorption.
Varicose veins Heredity, vein valve dysfunction, physical inactivity, increased pressure in the walls of the veins.
Ischemic heart disease Heart muscle malnutrition, emotional stress, smoking, heredity, atherosclerosis.
Thrombosis Blood clotting disorders, circulatory disorders, heredity, trauma.
Hemorrhoids Sedentary lifestyle, eating disorders, constipation, pregnancy, heredity.


Dizziness is a feeling of instability and loss of balance in space. It may be accompanied by nausea, vomiting, loss of consciousness. This condition can occur in both adults and children.

Often dizziness occurs after a series of physical or emotional stress, and may be the result of some diseases of the internal organs, such as heart disease or pressure disorders.

Doctors recommend rest, proper nutrition, avoidance of smoking and alcoholic beverages, a calm lifestyle, and exercise to prevent dizziness. In case of frequent occurrence of this symptom, it is necessary to consult a doctor and undergo the necessary examination.

  • Among the main causes of dizziness can be:
  • Disorder of the vestibular apparatus
  • Consequences of head injuries
  • Diseases of the cardiovascular system
  • Low or high blood pressure

In any case, dizziness is always a signal that something is wrong with the body and measures must be taken to eliminate the causes of this symptom.


Migraine is an unbearable headache that can last from several hours to several days. Migraines often co-exist with other symptoms such as nausea, vomiting, fatigue, and photophobia.

The main cause of migraine is vasodilation of the brain, which can be caused by various factors such as stress, adverse weather, changes in sleep patterns, drinking alcohol or smoking.

Migraines can also be affected by hormonal changes, for example, in women, migraines can worsen during menstruation or in connection with the use of oral contraceptives.

Treatment of migraine may include taking pain medications such as analgesics, but in some cases special medications such as triptans may be required.

In addition to medication, there are some ways to prevent migraines, such as lifestyle changes, including regular sleep patterns, avoiding alcohol and smoking, and stress reduction and relaxation techniques.

Increased intraocular pressure

Increased intraocular pressure is one of the main causes of eye pressure and headache. Doctors call this problem glaucoma, a disease that negatively affects visual function.

Symptoms associated with increased intraocular pressure include:

  • pain in the eyes and head;
  • blurred vision;
  • redness of the eyes;
  • the appearance of halos around light sources.

An increase in intraocular pressure can be caused by various factors, including:

  1. hereditary predisposition;
  2. uneven distribution of fluid inside the eye;
  3. eye injuries;
  4. infections of the eyeball;
  5. the use of certain drugs.

For the diagnosis and treatment of glaucoma, it is necessary to consult an ophthalmologist. Delay in treatment can lead to serious consequences, including loss of vision.

Eye diseases

Cataract is a violation of the transparency of the lens of the eye, which leads to a gradual loss of vision. Symptoms of cataracts include blurring and sparkling in the eyes, difficulty reading or recognizing faces.

Glaucoma is an eye pressure disorder that can lead to loss of vision if left untreated. Symptoms of glaucoma include pressure on the eyes, weakness in the eyes, difficulty in distinguishing colors, and narrowing of the field of vision.

Diabetic retinopathy is a disease that occurs in people with diabetes and can cause vision loss if left untreated. Symptoms of diabetic retinopathy include difficulty seeing colors, difficulty seeing in the dark, lack of visual impairment, and loss of vision.

Amblyopia (lazy eye) is a disorder of the visual function of the brain that leads to reduced vision. Symptoms of amblyopia include lack of curvature, weakness in vision, or blurring.

Conjunctivitis is an inflammation of the conjunctiva (the clear tissue that covers the white of the eye and the inside of the eyelids). Symptoms of conjunctivitis include redness of the eyes, discomfort in the eye, bad odor, and yellow discharge from the eyes.

Blepharitis is inflammation of the edge of the eyelid. Symptoms of blepharitis include itching, redness, swelling, and loose peeling at the edges of the eyelids.

Also, some diseases such as scleritis and episcleritis can lead to eye pain. To reduce the risk of developing eye diseases, you must follow a healthy lifestyle, include foods that are good for the eyes in your diet, and regularly check your visual apparatus.

Food poisoning

Food poisoning is one of the main causes of abdominal pain and weakness. They occur due to the consumption of foods contaminated with bacteria or toxins.

Symptoms of food poisoning may include: vomiting, diarrhea, nausea, thirst, headache, weakness and abdominal pain. These symptoms may appear within hours of eating contaminated food and may last for several days.

To avoid food poisoning, hygiene must be observed when preparing and storing food. It is necessary to properly cook meat, poultry, fish, and also not to use expired products. In addition, it is necessary to monitor the cleanliness of hands and surfaces on which food is prepared.

  • One of the most common types of food poisoning is staph poisoning, which is caused by the bacterium Staphylococcus aureus.
  • Salmonellosis is an infectious disease caused by the bacterium Salmonella typhi that presents with painful intestinal disorders.
  • Escherichiosis is a disease caused by the bacterium Escherichia coli, which can be found in green vegetables that have not been washed well enough.

If you suspect you have food poisoning, be sure to seek medical attention. In severe cases, hospitalization may be required.

Inflammatory processes in the gastrointestinal tract

The gastrointestinal tract (gastrointestinal tract) is responsible for digestion and assimilation of food. But sometimes inflammatory processes occur, which can lead to various symptoms. They can manifest themselves in various ways, such as abdominal pain, vomiting, diarrhea or constipation, as well as other symptoms such as weakness, headache, etc.

Gastric ulcer is one of the common diseases associated with inflammation in the gastrointestinal tract. This disease occurs when acid in the stomach damages the walls, resulting in pain and discomfort. Therefore, if you are experiencing stomach pain, then you need to see a doctor for diagnosis and treatment.

Colitis is an inflammatory disease of the colon that can lead to diarrhea, bloody discharge, or abdominal pain. Provoking factors can be a bad food culture, food allergies, as well as various bacteria. Treating colitis can be quite difficult, so don’t delay in seeing your doctor.

Constipation is also one of the signs of inflammatory processes in the gastrointestinal tract. They can be caused by various reasons, such as lack of fluids or eating foods that are poor in fiber. Constipation can cause severe discomfort and lead to abdominal pain. They can be prevented and treated with proper nutrition, drinking enough water, and exercise.

Thus, inflammatory processes in the gastrointestinal tract can cause various symptoms that must be taken seriously. In case of painful manifestations in the gastrointestinal tract, you should contact a specialist who will help identify and get rid of the necessary problem.

Diseases of the liver

The liver is an important organ for life, which is responsible for filtering blood and producing bile. Various diseases can damage this organ, which can lead to various diseases and symptoms.

Jaundice is one of the most common liver diseases. Its symptoms are yellow tones in the skin and eyes, dark urine, and light-colored stools. Jaundice can be caused by various liver diseases, such as hepatitis or cirrhosis.

Cirrhosis is a disease in which healthy liver cells are replaced by sclerotic tissue. It can be caused by alcoholism, viral hepatitis or hereditary factors. Symptoms of cirrhosis are weakness, fatigue, loss of appetite, nausea, and abdominal pain.

Hepatitis is an inflammatory disease of the liver. It can be caused by viruses, alcoholism, toxic substances, and certain drugs. The symptoms of hepatitis are fatigue, nausea, jaundice, and abdominal pain.

Fatty liver disease is a disease in which excess fat accumulates in the liver. It can be caused by obesity, metabolic disorders, and certain medications. Symptoms of fatty degeneration are fatigue, loss of appetite, nausea, and abdominal pain.

If you have symptoms related to liver disease, see your doctor. Only he can make a correct diagnosis and prescribe treatment.


What medical reasons can cause weakness?

Weakness can be caused by a variety of conditions, including anemia, influenza, pneumonia, diabetes, thyroid disease, and others. Also, weakness can be due to a lack of vitamins and minerals, such as iron or vitamin D. In the event of a symptom of weakness, you should consult a doctor to find out the causes and prescribe treatment.

Why does headache occur?

Headache can be caused by many factors, such as tension and fatigue in the muscles of the neck, eyes and head, stress, depression, allergies, migraines, hypertension, infections, tumors and other diseases. If the headache becomes frequent or severe, you should see a doctor and get tested to rule out serious causes.

Can eye pressure be a sign of a serious illness?

Yes, eye pressure can be a sign of glaucoma, a disease that can lead to vision loss. In this case, you should immediately contact an ophthalmologist and undergo an examination to determine the degree of damage and prescribe treatment. Also, pressure on the eyes can be caused by eye fatigue, vision problems or other diseases, so in any case, you should consult your doctor.

Why does abdominal pain occur?

Abdominal pain can be caused by many causes, such as infection of the gastrointestinal tract, ulcers, gastritis, pancreatitis, cholecystitis, intestinal obstruction, tumors and other diseases. If the pain appears intermittently or becomes severe, you should consult a doctor to find out the causes and treatment.

What factors can affect a person’s blood pressure?

A person’s blood pressure can change under the influence of various factors, such as stress, fatigue, physical activity, alcohol and nicotine consumption, sleep disturbances, nutrition, the presence of diseases, etc. Also, pressure can be subject to natural fluctuations associated with age, gender, genetic factors and other natural conditions.

How are blood pressure and headache related?

High blood pressure can be one of the causes of headaches. Also, headache can be the result of diseases that affect blood pressure, such as hypertension. Low blood pressure can also cause headaches. In any case, if the headache becomes painful or appears regularly, you should consult a doctor to find out the causes and get treatment.

What should I do if I have symptoms?

If symptoms occur, including weakness, headache, pressure in the eyes and abdominal pain, lie down and try to relax as much as possible. If symptoms persist or worsen, you should consult a doctor to find out the causes and prescribe treatment. If symptoms appear regularly, a full examination should be carried out to exclude serious diseases and take appropriate measures.

Gynecological problems

Gynecological problems can cause a variety of symptoms, including weakness, headache, eye pressure, and abdominal pain. One of the most common diseases is vaginitis, an inflammation of the vagina that can be caused by a bacterial infection or an imbalance in the microflora.

Another cause could be endometriosis, a disease in which cells that grow inside the uterus begin to grow elsewhere, leading to abdominal pain and problems with urination.

Polyps and uterine fibroids can also cause symptoms such as lower abdominal pain and regular bleeding. They can be detected during a gynecological examination and require treatment.

Finally, it is worth noting that many gynecological problems can be prevented or detected at an early stage by regular visits to the gynecologist and personal hygiene.

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Headache – causes, examination and treatment | Symptoms

Cluster headache
Signs: Severe, piercing pain that affects one part of the head and is concentrated in the periocular region, usually lasts from 30 minutes to 1 hour, often occurs at the same time of day, occurs in clusters and is separated by intervals with no headache at all, is usually not aggravated by exposure to light, sounds or smells and is not accompanied by vomiting. Inability to lie down and restlessness. On the part of the manifestation of pain: runny nose, lacrimation, drooping eyelid (Bernard-Horner syndrome) and sometimes swelling under the eye.

Migraine headache
Signs: Moderate to severe headache, usually throbbing, unilateral and bilateral, lasting hours to days, may be caused by lack of sleep, head trauma, hunger, or consumption of certain wines and foods, may be aggravated by physical activity and relieved by sleep, often accompanied by nausea, vomiting, and sensitivity to loud noises, bright lights, and/or smells, including possible mood changes, loss of appetite, and nausea, sometimes preceded temporary disturbances in sensation, balance, muscle coordination, speech or vision (seeing flashes or blind spots).

Tension headache
Signs: Usually mild to moderate headache that feels like a hoop on the head and starts in the front of the head or around the eyes, affects the entire head, lasts for 30 minutes to several days, may worsen at the end of the day, is not aggravated by exercise, light, sounds or smells, is not accompanied by nausea, vomiting or other symptoms.

Altitude sickness
Signs: Dizziness, loss of appetite, nausea and vomiting, fatigue, weakness, irritability, or trouble sleeping. People who have recently climbed to high altitudes (including those who have been in an airplane for 6 hours or longer).

Brain tumor, abscess or other neoplasm in the brain
Signs: Mild to severe headache that may get progressively worse, usually comes on more frequently and eventually becomes constant without signs of relief, may cause blurred vision with a sudden change in body position, may be accompanied by clumsiness, weakness, disorientation, nausea, vomiting, seizures, or blurred vision.

Carbon monoxide exposure
Signs: Possible unawareness of exposure as carbon monoxide is colorless and odorless.

Dental infection (upper teeth)
Signs: Pain, which is usually felt in the facial region and is mainly one-sided, aggravated by chewing, toothache.

Encephalitis (brain infection)
Signs: Headaches with variable characteristics. Often accompanied by fever, increased drowsiness, confusion, agitation, weakness and/or poor coordination. Convulsive seizures and coma.

Giant cell (temporal) arteritis
Signs: Unilateral throbbing pain in the temporal part of the head. Pain when combing hair or while chewing. Sometimes enlarged arteries in the temples (temporal arteries) and aching and dull pain, especially in the shoulders, hips, and pelvis. Vision may be impaired or lost, and is more common in people over the age of 55.

Glaucoma (angle-closure glaucoma)
Signs: Moderate to severe pain that occurs in the front of the head or in the ocular or supraocular region. Redness of the eyes, iridescent circles around light sources, nausea, vomiting, and loss of vision.

Head injury (post-concussion syndrome)
Signs: Headache begins immediately or shortly after a head injury (with or without loss of consciousness). Sometimes memory lapses, personality changes, or both.

Idiopathic intracranial hypertension (increased intracranial pressure)
Signs: Headaches that occur daily or almost daily with fluctuating intensity, affecting both sides of the head, sometimes double vision or blurred vision, nausea, or ringing in the ears in rhythm with the beats of the pulse (throbbing tinnitus).

Cerebral hemorrhage
Signs: Mild or severe pain that starts suddenly, occurs on one or both sides of the head, is often accompanied by nausea and sometimes vomiting. Possible severe drowsiness, clumsiness, weakness, difficulty speaking and understanding speech, loss of vision, loss of sensation or disorientation, occasionally seizures or coma.

Headache associated with low blood pressure (due to removal or leakage of cerebrospinal fluid)
Signs: Intense headaches, often accompanied by neck stiffness and nausea. Pain that gets worse when the person is sitting or standing and gets better when the person lies down. It usually occurs after a spinal tap (lumbar puncture) is performed.

Medicine overuse headache
Signs: Chronic and often daily headaches. Often with migraine or tension headaches

Signs: Severe, persistent headache. fever, stiff neck, in connection with which it is painful to lower the chin to the chest, sometimes it is impossible. Malaise, drowsiness, nausea or vomiting.

Signs: Pain, which is sometimes felt in the face, front of the head, or like a toothache, may start suddenly and last for days or hours, or start gradually and become persistent. Runny nose, sometimes with pus or blood, malaise, cough at night, and often fever.

Subarachnoid hemorrhage (bleeding between the inner and middle layers of tissue covering the brain)
Symptoms: Severe, persistent pain that starts suddenly and reaches its maximum intensity within a few seconds is often described as the worst headache ever experienced.