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Itchy face and lips. Itchy Lips: Causes, Prevention, and Treatment Options Explained

What causes itchy lips. How can you prevent lip irritation. When should you seek medical attention for itchy lips. What are the treatment options for itchy lips.

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Understanding Allergic Contact Cheilitis: A Common Cause of Itchy Lips

Allergic contact cheilitis is a frequent culprit behind itchy lips. This condition occurs when the lips come into contact with an allergen, triggering an inflammatory response. Common allergens include:

  • Lip cosmetics
  • Sunscreens
  • Toothpastes
  • Mouthwashes
  • Medications
  • Foods with preservatives, fragrances, or artificial flavorings

The symptoms of allergic contact cheilitis typically manifest as swollen lips with patches of scaly or itchy skin. Fortunately, this condition is usually temporary and resolves within 24 hours of allergen exposure cessation.

Identifying Allergic Contact Cheilitis

How can you distinguish allergic contact cheilitis from other lip conditions? Look for these key signs:

  • Sudden onset of symptoms after using a new product
  • Localized swelling and itching on the lips
  • Improvement of symptoms when the suspected allergen is avoided

If you suspect allergic contact cheilitis, consider keeping a diary of products used and symptoms experienced to help identify potential triggers.

Drug-Induced Cheilitis: When Medications Cause Lip Irritation

Certain prescription medications can cause itchy lips as a side effect. Retinoid treatments, including isotretinoin, acitretin, and alitretinoin, are known to cause lip irritation. These medications can not only make your lips itchy but also lead to cracking and bleeding.

Additionally, allergies to penicillin-based antibiotics, such as amoxicillin, can result in itchy lips. It’s crucial to inform your healthcare provider if you experience any unusual lip symptoms while taking medications.

Managing Drug-Induced Cheilitis

How can you alleviate symptoms of drug-induced cheilitis? Consider these strategies:

  1. Discuss alternative medications with your doctor
  2. Use a gentle, fragrance-free lip balm to moisturize
  3. Avoid licking or biting your lips
  4. Apply a cold compress to reduce inflammation

Traumatic Cheilitis: The Impact of Lip Habits on Skin Health

Traumatic cheilitis is a form of lip inflammation caused by overstimulation of the sensitive lip skin. This condition is most common in children and adolescents and is often associated with habits such as:

  • Excessive lip licking
  • Frequent lip biting
  • Sucking on lips

These behaviors can lead to swollen, itchy lips. While the condition typically resolves once the irritating behavior stops, it may recur if the habit persists.

Breaking Harmful Lip Habits

How can individuals overcome habits that contribute to traumatic cheilitis? Consider these tips:

  • Use mindfulness techniques to become aware of the habit
  • Apply a bitter-tasting lip balm to discourage licking
  • Practice stress-reduction techniques to minimize nervous habits
  • Seek cognitive-behavioral therapy for persistent habits

Weather-Induced Cheilitis: Protecting Your Lips from Environmental Factors

Weather-induced cheilitis occurs when lips are exposed to extreme temperatures or harsh environmental conditions for prolonged periods. This condition is more prevalent among individuals living in climates with extreme weather and those who work outdoors.

Symptoms often include not only itching but also cracking and bleeding of the lips. Understanding the impact of environmental factors on lip health is crucial for prevention and management.

Strategies for Combating Weather-Induced Cheilitis

How can you protect your lips from harsh weather conditions? Implement these preventive measures:

  1. Apply a moisturizing lip balm with SPF before going outdoors
  2. Use a scarf or face mask to cover your lips in extreme cold or wind
  3. Stay hydrated to maintain skin moisture from within
  4. Avoid licking your lips, especially in dry or cold conditions
  5. Use a humidifier indoors to combat dry air

Infections and Itchy Lips: Understanding the Connection

Various infections can cause itchy lips, including bacterial, viral, and fungal culprits. Common infectious causes include:

  • Herpes simplex virus (HSV)
  • Candida overgrowth
  • Strep infections (group A Streptococcus)
  • Staph infections (group A Staphylococcus)

In cases of infection-related lip itching, symptoms typically resolve as the underlying infection clears. However, some situations may require antibiotic treatment to control the infection effectively.

Recognizing Signs of Lip Infections

How can you distinguish between a simple case of dry lips and an infection? Look for these additional symptoms:

  • Visible sores or blisters on or around the lips
  • Swelling beyond the lip area
  • Fever or general malaise
  • Persistent symptoms that don’t improve with moisturizing

If you suspect an infection, it’s important to consult a healthcare professional for proper diagnosis and treatment.

Less Common Causes of Itchy Lips: Exploring Other Possibilities

While allergies and environmental factors are frequent culprits, several less common conditions can also lead to itchy lips. These include:

  • Lupus
  • Chronic hives (lasting more than six weeks)
  • Folliculitis from ingrown hairs
  • Nutrient deficiencies
  • Melkersson-Rosenthal syndrome (a rare condition causing facial paralysis)

Understanding these less frequent causes is crucial for accurate diagnosis and appropriate treatment, especially in cases where common interventions prove ineffective.

Investigating Nutrient Deficiencies and Lip Health

How can nutrient deficiencies affect lip health? Consider these important nutrients:

  • Vitamin B2 (Riboflavin): Deficiency can cause cracking at the corners of the mouth
  • Iron: Low levels may lead to pale, dry lips
  • Zinc: Inadequate zinc can result in chapped or peeling lips
  • Vitamin B12: Deficiency might cause a burning sensation in the lips

If you suspect a nutrient deficiency, consult with a healthcare provider for proper testing and supplementation guidance.

When to Seek Medical Attention for Itchy Lips

While many cases of itchy lips can be managed at home, certain symptoms warrant immediate medical attention. Seek emergency care if you experience:

  • A sudden rash spreading from your lips across your face
  • Uncontrollable bleeding from your lips
  • Difficulty breathing
  • Rapid and severe lip swelling

Additionally, schedule an appointment with your healthcare provider if you have persistent symptoms of itchy lips, especially if accompanied by cracking or bleeding.

Preparing for Your Medical Appointment

How can you make the most of your medical consultation for itchy lips? Follow these steps:

  1. Document your symptoms, including onset and duration
  2. List all medications and cosmetics used recently
  3. Note any recent dietary changes or new products introduced
  4. Prepare questions about potential causes and treatment options

Your doctor may refer you to an allergist or perform tests such as blood work or culture swabs to determine the underlying cause of your symptoms.

Treatment Options for Itchy Lips: Finding Relief

The treatment for itchy lips depends on the underlying cause. Your healthcare provider may recommend various approaches based on your specific condition:

  • Oral antibiotics or antifungal creams for infections
  • Topical or oral antihistamines for allergic reactions
  • Moisturizing treatments to seal and protect the lip barrier
  • Prescription medications for chronic conditions

It’s important to follow your healthcare provider’s recommendations and avoid self-diagnosis or treatment without proper medical guidance.

Natural Remedies for Soothing Itchy Lips

Are there natural ways to alleviate lip itching? Consider these gentle home remedies:

  • Apply cold compresses to reduce inflammation
  • Use natural moisturizers like coconut oil or shea butter
  • Try a honey lip mask for its antimicrobial properties
  • Drink plenty of water to maintain skin hydration
  • Avoid potential irritants like spicy foods or harsh cosmetics

While these remedies may provide relief, it’s crucial to consult a healthcare professional if symptoms persist or worsen.

Understanding the various causes of itchy lips and knowing when to seek medical attention can help you maintain healthy, comfortable lips. By identifying triggers, practicing good lip care habits, and seeking appropriate treatment when necessary, you can effectively manage and prevent lip irritation. Remember, persistent or severe symptoms should always be evaluated by a healthcare professional to ensure proper diagnosis and treatment.

Itchy Lips: Causes and Prevention

Most of the time, having itchy lips is related to a contact or seasonal allergy. Sometimes, having itchy lips is a symptom of other less common health conditions.

An itchy sensation on your lips can happen suddenly and be quite uncomfortable. Keep reading to find out what could be causing your lips to feel itchy.

Allergic contact cheilitis

Allergic contact cheilitis is the term for itchy or inflamed lips caused by exposure to an allergen. Lip cosmetics, sunscreens, toothpastes, mouthwashes, and medications can all cause your lips to have this kind of reaction. Foods that contain preservatives, fragrances, or artificial flavorings are also common culprits.

This condition makes your lips look swollen and creates patches of scaly or itchy skin on your lips. This condition is temporary and should resolve within 24 hours of contact with an allergy.

Drug-induced cheilitis

There are some prescription medications that cause itchy lips as a side effect. Retinoid treatments (isotretinoin, acitretin, alitretinoin) are known to have this side effect. They can also make your lips crack and bleed. Allergies to penicillin-based antibiotics, like amoxicillin, can also cause your lips to feel itchy.

Traumatic cheilitis

This kind of lip inflammation is caused by overstimulating the sensitive skin on your lips. Habits like lip licking and lip biting can cause your lips to become swollen and feel itchy. This condition will go away if you’re able to stop the behavior that’s irritating your lips, but it could continue to recur as long as your lips are being irritated. This condition is most common in children and adolescents.

Weather-induced cheilitis

As the name suggests, this kind of lip inflammation comes from your lips being exposed to extreme heat, wind, or cold temperatures for a prolonged period of time. This condition is more likely to occur in people who live in climates where extreme temperatures happen often, and in people who work outside. This condition is frequently accompanied by cracking or bleeding lips.

Infections

There are some bacterial, viral, and fungal infections that can make your lips feel itchy. The herpes simplex virus, candida overgrowth, and strep (group A Streptococcus) and staph (group A Staphylococcus) infections are all common causes of itchy and uncomfortable lips. In the case of an infection, your lips should feel normal again once the other infection symptoms go away. In some cases, antibiotics may be required to control the infection.

Other causes

Other causes of itchy lips symptoms include:

  • lupus
  • chronic hives (hives that occur frequently and last for more than six weeks)
  • ingrown hairs from shaving (folliculitis)
  • nutrient deficiencies
  • Melkersson-Rosenthal syndrome (a rare condition that causes facial paralysis)

You can experience one without the other, but sometimes your lips might simply feel itchy because they’re dry. Lips that have become dry because of environmental factors can start to feel itchy. Skin that’s dried out has a weaker barrier. This can make your lips feel irritated and appear red or inflamed, or give you the urge to scratch.

Having dry lips usually isn’t an indicator or symptom of anything besides the environment around you, such as excessive heat or dry climate. But lips that are itchy can be a symptom of something more. Though the two symptoms are often linked, it’s important to be able to determine the difference.

Seek immediate medical care if you experience any of the following:

  • a sudden rash that spreads from your lips across the rest of your face
  • nonstop bleeding on your lips
  • difficulty breathing
  • lips that swell up rapidly

You should make an appointment with your doctor if you have persistent symptoms of itchy lips, especially if your symptoms are accompanied by lips that are cracked or bleeding. Make sure to tell your doctor about any medications you’re taking and cosmetics you have used recently when you discuss your symptoms.

If you don’t already have a primary care provider, you can browse doctors in your area through the Healthline FindCare tool.

Your doctor may refer you to an allergist to rule out any allergic reactions to products or food. Blood tests can tell you if what you’re experiencing is allergic contact cheilitis. Your doctor may also do a culture or swab test to determine whether you have an infection or a candida overgrowth.

Treatment for itchy lips depends on the cause. Your doctor may prescribe medication if they suspect an infection. Oral antibiotics and antifungal creams may help your lips feel less itchy. A topical or oral antihistamine may clear up itching and hives if you are having an allergic reaction.

Lips that are itchy and dry may need a moisturizing treatment to seal the barrier between your lips and the air while your skin heals. Your doctor can recommend a hypo-allergenic, fragrance- and chemical-free product that you can use daily to protect your lips from dry conditions and severe weather.

Discuss any medications you’re taking with a doctor or pharmacist to see whether they can cause itchy lips as a side effect.

To keep itchy lips from recurring, there are a few things you can do.

Protect your lips

All year long, protect your lips with a medicated lip balm that contains a sunscreen. The Mayo Clinic recommends covering your mouth with a scarf when you go outside in freezing temperatures to protect your lips from cold air. Choose unflavored, unscented, hypoallergenic products that will shield your lips without exposing your skin to chemicals.

Change your habits

Do your best to avoid licking your lips. While it may seem like licking your lips hydrates the area, it actually causes your lips to become even drier than before. You may also want to consider changing your daily skin care and makeup regimen to limit your mouth’s exposure to ingredients that strip out moisture. And be mindful of the way you breathe, too; breathing through your mouth instead of your nose can dry out your lips.

Stay hydrated

Getting enough water is important to your health for about 100 reasons. Consider this reason No. 101. Drinking plenty of fluids, and using a humidifier in your home during the winter months, can restore proper hydration to your skin and keep your lips from getting chapped and itchy.

Having itchy lips is usually a benign symptom of having dry, itchy skin around your mouth. This symptom tends to resolve on its own, sometimes without any treatment. There are cases when itchy lips can indicate a deeper health condition, so pay attention to other symptoms that might occur along with itchy lips.

Itchy Lips: Causes and Prevention

Most of the time, having itchy lips is related to a contact or seasonal allergy. Sometimes, having itchy lips is a symptom of other less common health conditions.

An itchy sensation on your lips can happen suddenly and be quite uncomfortable. Keep reading to find out what could be causing your lips to feel itchy.

Allergic contact cheilitis

Allergic contact cheilitis is the term for itchy or inflamed lips caused by exposure to an allergen. Lip cosmetics, sunscreens, toothpastes, mouthwashes, and medications can all cause your lips to have this kind of reaction. Foods that contain preservatives, fragrances, or artificial flavorings are also common culprits.

This condition makes your lips look swollen and creates patches of scaly or itchy skin on your lips. This condition is temporary and should resolve within 24 hours of contact with an allergy.

Drug-induced cheilitis

There are some prescription medications that cause itchy lips as a side effect. Retinoid treatments (isotretinoin, acitretin, alitretinoin) are known to have this side effect. They can also make your lips crack and bleed. Allergies to penicillin-based antibiotics, like amoxicillin, can also cause your lips to feel itchy.

Traumatic cheilitis

This kind of lip inflammation is caused by overstimulating the sensitive skin on your lips. Habits like lip licking and lip biting can cause your lips to become swollen and feel itchy. This condition will go away if you’re able to stop the behavior that’s irritating your lips, but it could continue to recur as long as your lips are being irritated. This condition is most common in children and adolescents.

Weather-induced cheilitis

As the name suggests, this kind of lip inflammation comes from your lips being exposed to extreme heat, wind, or cold temperatures for a prolonged period of time. This condition is more likely to occur in people who live in climates where extreme temperatures happen often, and in people who work outside. This condition is frequently accompanied by cracking or bleeding lips.

Infections

There are some bacterial, viral, and fungal infections that can make your lips feel itchy. The herpes simplex virus, candida overgrowth, and strep (group A Streptococcus) and staph (group A Staphylococcus) infections are all common causes of itchy and uncomfortable lips. In the case of an infection, your lips should feel normal again once the other infection symptoms go away. In some cases, antibiotics may be required to control the infection.

Other causes

Other causes of itchy lips symptoms include:

  • lupus
  • chronic hives (hives that occur frequently and last for more than six weeks)
  • ingrown hairs from shaving (folliculitis)
  • nutrient deficiencies
  • Melkersson-Rosenthal syndrome (a rare condition that causes facial paralysis)

You can experience one without the other, but sometimes your lips might simply feel itchy because they’re dry. Lips that have become dry because of environmental factors can start to feel itchy. Skin that’s dried out has a weaker barrier. This can make your lips feel irritated and appear red or inflamed, or give you the urge to scratch.

Having dry lips usually isn’t an indicator or symptom of anything besides the environment around you, such as excessive heat or dry climate. But lips that are itchy can be a symptom of something more. Though the two symptoms are often linked, it’s important to be able to determine the difference.

Seek immediate medical care if you experience any of the following:

  • a sudden rash that spreads from your lips across the rest of your face
  • nonstop bleeding on your lips
  • difficulty breathing
  • lips that swell up rapidly

You should make an appointment with your doctor if you have persistent symptoms of itchy lips, especially if your symptoms are accompanied by lips that are cracked or bleeding. Make sure to tell your doctor about any medications you’re taking and cosmetics you have used recently when you discuss your symptoms.

If you don’t already have a primary care provider, you can browse doctors in your area through the Healthline FindCare tool.

Your doctor may refer you to an allergist to rule out any allergic reactions to products or food. Blood tests can tell you if what you’re experiencing is allergic contact cheilitis. Your doctor may also do a culture or swab test to determine whether you have an infection or a candida overgrowth.

Treatment for itchy lips depends on the cause. Your doctor may prescribe medication if they suspect an infection. Oral antibiotics and antifungal creams may help your lips feel less itchy. A topical or oral antihistamine may clear up itching and hives if you are having an allergic reaction.

Lips that are itchy and dry may need a moisturizing treatment to seal the barrier between your lips and the air while your skin heals. Your doctor can recommend a hypo-allergenic, fragrance- and chemical-free product that you can use daily to protect your lips from dry conditions and severe weather.

Discuss any medications you’re taking with a doctor or pharmacist to see whether they can cause itchy lips as a side effect.

To keep itchy lips from recurring, there are a few things you can do.

Protect your lips

All year long, protect your lips with a medicated lip balm that contains a sunscreen. The Mayo Clinic recommends covering your mouth with a scarf when you go outside in freezing temperatures to protect your lips from cold air. Choose unflavored, unscented, hypoallergenic products that will shield your lips without exposing your skin to chemicals.

Change your habits

Do your best to avoid licking your lips. While it may seem like licking your lips hydrates the area, it actually causes your lips to become even drier than before. You may also want to consider changing your daily skin care and makeup regimen to limit your mouth’s exposure to ingredients that strip out moisture. And be mindful of the way you breathe, too; breathing through your mouth instead of your nose can dry out your lips.

Stay hydrated

Getting enough water is important to your health for about 100 reasons. Consider this reason No. 101. Drinking plenty of fluids, and using a humidifier in your home during the winter months, can restore proper hydration to your skin and keep your lips from getting chapped and itchy.

Having itchy lips is usually a benign symptom of having dry, itchy skin around your mouth. This symptom tends to resolve on its own, sometimes without any treatment. There are cases when itchy lips can indicate a deeper health condition, so pay attention to other symptoms that might occur along with itchy lips.

Skin itching: what causes it and how to reduce it?

4 min. reading

    Show more

    What is itching and how does it occur?

    Itching is a tingling sensation that makes you want to scratch. It is usually localized (that is, it occurs on a specific part of the body, such as the calves), but it can also be present throughout the body. When something irritates the skin, it disrupts its protective barrier. Skin cells release histamine, and receptors send a signal to the brain to scratch.

    When the skin is dry, its protective barrier is significantly reduced in the amount of moisture and lipids needed to work effectively, and it is more vulnerable to external irritants that can cause itching. Scratching is a natural response that can provide temporary relief, but frequent scratching further aggravates the itching. Scratching can damage the skin, cause it to thicken, and send further messages about itching to the brain – this is how the vicious circle of itching begins. When damaged, the skin acts as an effective barrier less, making it and the body as a whole more susceptible to infections. With this in mind, it is important to take itchy skin seriously and take care of it when the first symptoms occur.

    What causes itchy skin?

    Itching can be caused by various irritants – chemical, physical and psychological. Dry skin is often prone to itching. There are a number of factors, both internal and external, that can cause dry skin and therefore itching:

    Internal factors:

    – Genetics.

    – Hormonal fluctuations.

    – Skin aging: Skin naturally becomes drier with age.

    – Diseases: Dry and itchy skin can be a symptom of a number of diseases, including atopic dermatitis, psoriasis and diabetes.

    External factors:

    – Climate and environment: Dry weather, central heating and air conditioning can exacerbate dryness.

    – Sunburn.

    – Some drugs.

    – Washing too often with hot water.

    – Aggressive detergents and laundry detergents.

    – Wrong diet.

    – Stress.

    Other causes of itchy skin

    There are several other factors that can cause itching, while they are not associated with dryness or skin disease, but violate the protective barrier of the skin. For example:

    • Allergic reactions.
    • Insect bites.
    • Poisonous plants (eg hogweed).
    • Shaving.

    In some cases, regular itching can be a symptom of more serious conditions such as cancer (primarily lymphoma and leukemia). If you regularly experience itching and discomfort, it is important to consult a doctor as soon as possible for a diagnosis.

    How to take care of itchy skin?

    Itchy skin will require regular and consistent care with products specifically formulated to address the causes of itching and provide immediate and lasting symptom relief.

    The Eucerin UreaRepair line has been specially developed for dry, itchy skin. Products contain:

    • Urea and other natural moisturizing factor (NMF) components that improve the skin’s ability to bind water and increase its moisture content.
    • Ceramides and other lipids that help strengthen the skin barrier and protect against further moisture loss.

    These cleansers and care products have been clinically and dermatologically proven to provide immediate and lasting relief from dryness and itching for up to 48 hours.

    The following products are especially effective for dry, itchy skin:

    • UreaRepair 5% Urea Cleansing Fluid: Gentle yet effective full body cleanser.
    • UreaRepair 10% Urea Moisturizing Lotion: A lightweight yet intensely hydrating body cream that soothes dry, itchy skin.

    All products in this range are suitable for dry, itchy skin all over the body, but should not be used on open wounds or on skin with atopic dermatitis.

    For skin with atopic dermatitis, Eucerin Atopi Control is recommended to soothe itchy atopic skin even during flare-ups. Contains:

    • Licochalcone A (licorice root extract): A powerful anti-inflammatory that soothes itchy skin and reduces redness.
    • Omega-3.6 oils, fatty acid-rich natural oils of evening primrose and grape seed, help stabilize the skin’s protective barrier and reduce moisture loss.
    • Menthoxypropanediol: Reduces the sensation of itching in the skin by activating cooling receptors in nerve fiber endings.

    The series is suitable for children over three months old, and the oil is also suitable for newborns.

    The following products will also be particularly effective for atopic skin in adults:

    • Atopi Control Cleansing Shower Oil: Gently cleanses and soothes itching.
    • Atopi Control Body Lotion for Adults, Children and Babies: Moisturizes and soothes itchy, atopic skin.

    What can be done to reduce or prevent itching?

    Topical treatments and specially formulated skin care products will help, but there are other things that can be done or avoided to reduce and in some cases prevent itching.

    The first tip may seem obvious, but it’s very important – don’t itch! Scratching is counterproductive and only increases itching. Excessive scratching provokes damage to the skin and the formation of small wounds that can become infected. For severe itching, try cooling the irritated area with a damp compress and/or gently massaging the itchy skin.

    Other measures to help prevent or reduce itchy skin:

    • In winter, use a room humidifier to prevent the air from drying out.
    • Protect your skin from dryness and chapping when you are outdoors.
    • In summer, avoid prolonged exposure to heat and humidity.
    • Wear breathable, comfortable clothing. Avoid synthetic fabrics and prickly wool.
    • Wash new clothes and towels before use.
    • Use mild, fragrance-free detergents, avoid fabric softeners and bleaches.
    • Use soap-free cleansers and hypoallergenic make-up products.
    • Keep your nails trimmed and wear cotton gloves at night to protect your skin from scratching.
    • Practice relaxation techniques to reduce irritability and stress.
    • Drink plenty of water to keep your skin from drying out.

    Edited by Anastasia Timoshkina

    Training Manager, Eucerin brand expert

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    Itching is a common skin condition and itching is one of the most commonly reported dermatological symptoms. 1.2 Let’s take a closer look at the causes of itching, potential triggers and the role of histamine.

    Allergy is a very common disease affecting more than 20% of the population in the most developed countries. 3 Let’s take a closer look at the causes of allergies, potential triggers and the role of histamine.

    Itching can be caused by a wide range of triggers

    2.4

    The most commonly reported triggers for pruritus are insect bites, sunburn, urticaria, dermatoses and superficial burns. 2.4

    Substances that cause allergic reactions are called allergens

    5

    Potential allergens include grass and tree pollen, seafood, eggs, drugs, dust mites, and animal dander. 5

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    Acute urticaria is a skin reaction that occurs after contact with various substances in the environment that cause the release of histamine, for example: 6.7

    • Pollen
    • Dust
    • Molds
    • Certain chemicals
    • Certain drugs
    • Certain foodstuffs
    • UV rays
    • Insect bites, etc.

    Histamine release causes a range of reactions

    8-10

    • Histamine – known to mediate skin itch 8
    • Histamine is released from mast cells and basophils into the skin 9
    • Histamine effects include pruritus, pain, vasodilation, increased vascular permeability and redness 8.10

    Histamine has an immediate effect on the skin

    8

    Due to the sudden release of histamine, the skin may immediately become red, itchy and swollen. 8

    Role of histamine receptors in peripheral and central itch signaling

    8

    By acting on the H 1 receptor, histamine transmits the itch sensation through nerves to the brain, where neurons process itch signals in the somatosensory cortex. 8

    Itching can create a vicious itching-scratch cycle that can further worsen the condition

    11. 12 and combing. 12

    The role of histamine in the development of allergic reactions

    In sensitive individuals, allergens can cause the release of histamine from mast cells throughout the body. The effects of histamine include vasodilation, increased vascular permeability, inflammation, contraction of bronchial smooth muscle, and angioedema. 13.14

    Systemic allergy symptoms

    The systemic effects of allergen-induced histamine release cause the following symptoms in allergic patients:

    • Allergic rhinitis – sneezing, itching, rhinorrhea
    • Angioedema – swelling of the lips, tongue, eyes or face
    • Bronchial smooth muscle contraction – wheezing, chest tightness, shortness of breath

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