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Today in this guide I'm going to talk about the different types or forms of skin allergy and rash, causes, symptoms, and treatments.

Allergic skin diseases include angioderma, contact dermatitis, hives, pruritis( urticaria), rosacea, and atopic dermatitis.

But, the idea which is closely related to the concept of skin allergy is atopic dermatitis, where the pathogenesis of which is associated with a complex interaction between skin barrier dysfunction and environmental factors such as allergens and microorganisms.

The term skin allergy is a hypersensitive reaction or immune response from the body's immune system to chemicals, lotions, creams, antibiotics, poison, fragrances, or any substance, which enter or come into contact with the body.

Forms And Types Of Skin Allergy And Rash


These red itchy welts – medical name 'urticaria' – may appear and fade within hours and typically last less than 24 hours.

They may be chronic, hanging around and regularly reoccurring – in which case we should see the doctor to find out why.

Allergy testing may uncover a food trigger, for example. Or medical evaluation may reveal an underlying condition – for example, a thyroid problem.

2. Contact Dermatitis

As the name implies, this red, itchy, irritating rash is caused by contact with something in the environment.
Symptoms include blisters, bumps, itching, and burning.

There are two types: allergic and irritant.

With allergic contact dermatitis, doctors will investigate patients' exposure history and do testing.

While irritant contact dermatitis can require a change in routine – for example, in the case of a bartender who may need protection from repeated exposure to water or detergent during the workday.


3. Atopic Dermatitis

Atopic dermatitis typically starts before the age of five, showing up on infants as dry, scaly, very itchy patches, often on the face.

 In young children, the patches tend to develop in elbow and knee creases. About half the time, the condition continues through adulthood, with periods of flare and remission.


4. Rosacea

 Rosacea is a progressive skin allergy and rash, which affect areas around the mouth, on face and eyes.

 There are actually four types, causing facial redness, skin thickening, acne-like inflammation, and eye problems.

A dermatologist's early diagnosis can help prevent permanent skin discoloration, serious eye problems, and, in the case of thickening skin, the need for surgery.

Dermatologists will customize a treatment plan that limits triggers and controls symptoms."


5. Psoriasis

This is a skin allergy and rash which makes skin appears like a scaly due to the body's skin cell production kicking into overdrive, causing excess surface skin cells – or 'plaques. In addition to having irritated, itchy skin, some patients also develop psoriatic arthritis, which requires early intervention to prevent long term joint damage.

 Psoriasis also can occur alongside other serious illnesses, such as diabetes.


Related: Smelly rash under breasts causes and treatments

Causes Of Skin Allergy And Rash

Several studies experimenting with the relationship of atopic contact dermatitis in atopic dermatitis patients have led to the identification of common allergens which include cobalt, potassium dichromate, nickel, chromium, lanolin, neomycin, formaldehyde, lactone mix, composite mix and fragrance markers.

In another study, it was found that most serum samples from patients with severe atopic dermatitis contain IgE antibodies, which they were found to function against human proteins. They are termed autoallergens.

These autoallegens are mainly intracellular proteins and have been detected in IgE immune complexes, suggesting that the release of these autoallergens from damaged tissues could trigger inflammatory skin responses.

Moreover, in one study, topical treatment with emollients in Atopic Dermatitis has been found to cause cutaneous sensitization.


Skin Allergy And Rash Treatments

Common treatments of skin allergy and rash are use for steroids, medicated body creams and lotions, antihistamines and some calcineurin inhibitors.

According to one study, topical application of calcineurin inhibitor ( FK-506, Tacrolimus) was successfully used in the treatment of allergic atopic dermatitis.

The Tacrolimus was found to inhibit the activation of a number of important cells, which are involved in atopic dermatitis.

These cells include T-cells, dendritic cells, mast cells, and keratinocytes.

Experiments with multicenter, blinded, vehicle-controlled phase 3 trials with Tacrolimus ointment (0.3% and 0.1%) have demonstrated Tacrolimus to be both effective and safe for both adults and children.

Additionally, an Ascomycin compound, Pimecrolimus, is also used for the treatment of allergic skin rashes, which in the same way as Tacrolimus.

 The method of action of Pemecrolimus involves inhibition of TH1 and TH2 cytokine productions, mediator release from mast cells and basophils.

According to the study, multicenter, blinded, vehicles controlled phase 3 trials with 1% Pimecrolimus ointment have demonstrated Pimecrolimus to be also both effective and safe for both adults and children with atopic dermatitis.


DIY Home Remedies For Skin Allergy And Rash

Though most medical care personnel do recommend cold bath or shower as an alternative natural home remedies for skin allergy, itching and rashes, however, this is not an effective and good treatment to skin rashes, itching and rashes:

Because, if you may trace the source of most skin diseases, you will find out that they are mostly caused by cold.

In one study, it was found that alternating temperature between cold and warm causes blood reperfusion and the simultaneous generation of free radicals.

And several studies have found that free radicals may contribute to the complex pathogenesis of diseases associated with inflammation.

Additionally, it was found that during the winter, people around the polar regions and areas with seasonal changes of weather do develop dry, itchy rash during the period such as in cold urticaria.

According to one study, which is conducted to access the nasal challenge with cold and dry air on the release of inflammatory mediators:
It was found that cold and dry air cause an increase of inflammatory mediators, which include histamines and kinin.

Several studies have found that histamines are one of the endogenous agents responsible for inducing or itch or pruritis in the body.

So, what are the best home remedies for skin allergy and rashes?

Learn more about the DIY home remedies for skin allergies and rashes.

Some of the best natural home remedies for itching, rashes allergy and skin diseases that were found to work effectively are:
The Coconut oil and Chamomile essential oil body moisturizer, eating of garlic, oatmeal bath and so on.


Frequently Asked Questions About Skin Allergy And Rash

What is the best medicine for skin allergy

The best medicines for  skin allergy are ointments, antihistamines, oatmeal bath, consumption of garlic cloves and Hydrocortisone creams and lotions. But, advisable you need to consult your doctor for proper diagnosis.

Related: Coconut oil allergy symptoms

Explain to your doctor and the doctor will tell you about what's best for your specific rash. For instance, antihistamines are good for the treatment of allergic reactions.

What are the home remedies for skin allergy?

Oatmeal bath, Neem, Chamomile, Aloe Vera, Baking Soda, coconut oil, olive oil, and frankincense essential oil are effective home remedies for the treatment of skin rashes, allergy, irritation, and inflammation.

How long does skin allergy last?

Skin allergy usually don't get a reaction right away. It can take any time from a few hours to 10 days.  Normally, it takes from 12 hours time to 3 days. Even when you take medicines, symptoms from skin allergies and rashes can last 2 to 4 weeks

How do you get rid of an allergy rash?

In order to get rid of skin rash or allergic reactions, you can use one of the following or a combination of them:
  1. Use Oatmeal bath or consume fresh Garlic and honey
  2. Avoid long exposure to sun
  3. Use Antihistamines
  4. Use Hydrocortisone creams

Which soap is best for skin allergy?

There are different types of soaps for the treatment of allergic reactions, the following were found to give positive results: Basis Sensitive Skin Bar, Cetaphil Gentle Cleansing Bar, Dove Sensitive Skin Unscented Beauty Bar, Aquaphor Gentle Wash, Aveeno Daily Moisturizing Body Wash.

What stops itching fast?   

  1. Use hydrocortisone creams
  1. Take an oatmeal bath.
  2. Moisturize your skin
  3. Apply topical anesthetics that contain pramoxine.
  4. Take drugs such as antihistamines

What is the reason for skin allergy?

Skin allergy and irritated skin can be caused by many factors. These factors include immune system disorders, drugs, poison, medications, latex from plants and infections. When allergens are the causative agents for triggering the immune system response, then, that condition is called allergic skin reaction. Eczema is found to be the most common skin condition, especially in children.

What is the healthiest soap?

For the general skin types use Dr. Bronnner's Hemp Body Unscented Pure Castile Soap. Check Amazon for Pricing.

What Lotion do dermatologists recommend?

The body lotions recommend by a dermatologist for skin allergy are hydrocortisone lotions, creams such as Cerave moisturizing cream, EltaMD moisture Rich Body Cream (2oz), Avene Xeracalm Lipid-Replenishing cream. Check pricing on Amazon.

What do dermatologist recommend for extremely dry skin?

Most of the time, dry or scaly skin responds well to lifestyle measures. If you have dry skin you may be recommended by your doctor to use beauty care products that contain a reasonable amount of saturated fatty acids such as coconut oil, almond oil, and Shea butter.

What is a good bar soap for dry skin?

The best bar soap for dry and scaly skin people are soaps that are made from coconut oil, animal fats, vitamin E, lanolin, and Shea butter.

Examples are: Honey oatmeal goat milk soap Bar soap and Eucerin Advanced Cleansing Body Bar Soap.

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