How to Treat Allergic Eczema and What Causes It

Allergic eczema is a form of eczema that happens when your body comes into contact with a particular allergen. It manifests itself as an itchy rash on your skin, often hours after exposure to the allergen.

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Frequently Asked Questions

What is Allergic Eczema? 

Your body is exposed to thousands of different substances each day, and most of these substances don’t stimulate a reaction to your immune system. But when your body comes into contact with a substance that may harm your health, your immune system triggers chemical changes in your body to help you fight sickness.

However, you might encounter some specific substances that may cause your immune system to react, even if they aren’t normally detrimental to your body. Referred to as allergens, these substances prompt an allergic reaction if your body gets into contact with them.

There are different forms of allergic reactions. When you’re having one, you could experience coughing, breathing difficulties, runny nose, and burning eyes. One other form of allergic reaction causes noticeable changes in your skin, and the best example of this is allergic eczema.

When your body encounters an allergen, you may get an itchy skin rash called allergic eczema. The symptoms usually appear hours after you have been exposed to the allergen.

Here are some other names used for Allergic eczema

  • Contact Dermatitis
  • Allergic Dermatitis
  • Contact Eczema
  • Allergic Contact Dermatitis

What Are the Causes of Allergic Eczema? 

When your body comes into direct contact with allergens, you get allergic eczema. Allergic eczema symptoms can take up to about 48 hours to appear after you’ve been exposed to the allergen. Because the illness does not immediately create an allergic reaction, it is referred to as a “delayed allergy.”

The following are some of the most prevalent allergens that cause allergic eczema:

  • Nickel: often found in belt buckles, jewellery, metal buttons, etch.
  • Soaps and cleaning products
  • Fragrances that are present in most cosmetics
  • Creams or ointments containing antibiotics for use on the skin
  • Clothing and hair dyes
  • Latex
  • Adhesives
  • Poison ivy and other plants

Allergic eczema may also develop if your skin becomes exposed to certain chemicals while in sunlight. For instance, you may get a reaction after applying sunscreen to your body and spending a while in the sun.

What Are Some Common Symptoms of Allergic Eczema? 

Like any other condition, symptoms of allergic eczema differ from one person to the next and could potentially evolve through time. Symptoms usually appear exactly on the body part that comes into touch with the allergen. But in some rare circumstances with a severe reaction, these symptoms may spread to other parts.

The following are the common symptoms of allergic eczema:

  • Itching
  • Pain or burning sensations
  • Oozing, crusting, or draining red bumps
  • Dry, red, or rough skin
  • Raw, thickened, or scaly skin
  • Inflammation
  • Rash
  • Cuts
  • Warm, tender skin

How Do You Get a Diagnosis of Allergic Eczema? 

Your doctor will first check your skin to determine whether there are any symptoms of eczema. If doctors suspect that is the case, they’ll need to conduct additional tests to determine what you’re allergic to. A patch test is utilized in the majority of circumstances.

Patch Test

A patch test is done using patches containing common allergens. These patches are placed on the person’s back and stay on for about 48 hours. After the patches are removed, the doctor will look for signs of a reaction. After two days, they will re-examine your skin to check if the allergic reaction was perhaps delayed.


If the doctor is unable to make a diagnosis based on the data received from the patch test, additional testing will be required. To rule out the possibility of another health problem causing your skin disease, your doctor might conduct a skin lesion biopsy. During this procedure, a small sample of the afflicted skin will be taken and submitted to a lab for a thorough analysis.

What Is the Treatment for Allergic Eczema? 

The best method for treating allergic eczema is prevention, which means staying away from any irritants known to trigger the condition. Although, you should still consider the intensity of the symptoms on treating allergic eczema.

If your symptoms are minor and do not bother you, you may not require any more therapy. However, it is essential to thoroughly wash the affected area to remove all the allergen residues. You may also apply a moisturizing lotion to keep your skin well hydrated and repair any damage. Itching and irritation can be relieved using over-the-counter corticosteroid lotions.

If you have a severe allergic eczema reaction, which may include significant swelling, oozing, and crusting, you must contact your doctor directly. They may prescribe prescription-strength lotions or ointments, and if necessary, they may also prescribe some corticosteroid pills.

Does Allergic Eczema Have Long Term Effects? 

Allergic eczema typically clears up in two or three weeks after proper treatment. However, if your skin comes into contact with the allergen again, the condition may likely reappear. In order to avoid future reactions, you must first identify the specific allergen that triggered eczema and make a substantial effort to try and avoid it. a