Irritant Skin Rash (Contact Dermatitis - Irritant)

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What is Irritant Contact Dermatitis?

  • This is where the skin develops a rash from something it came in contact with.

    • The skin looks irritated and inflamed.

  • It is an inflammatory response that is not an allergy.

  • It is more common than allergic contact dermatitis.

    • Infants have higher rates of it than kids.

  • If your child has a history of atopic dermatitis (or eczema), they maybe more likely to have irritant contact dermatitis.

  • This is not contagious.

  • The rash usually resolves in two to three days, but may take longer.

  • It may reoccur every time your child comes in contact with the irritant.

Irritant Contact Dermatitis Images

Irritant Contact Dermatitis due to the bandage around the neck.

Irritant Contact Dermatitis that caused blistering due to a chemical.

Irritant Contact Dermatitis caused by a deodorant.

What causes Irritant Contact Dermatitis?

  • There are many causes from chemical irritants to physical irritants.

  • Sometimes the skin reacts after one exposure or after it has been exposed many times.

  • The skin may react because it is already irritated from:  

    • Dry skin, or the winter months when skin is drier since the air is drier.

    • Sweating, as sweat can clog the skin’s pores and the pores are how the skin breathes.

  • Examples of chemical irritants are:

    • Soaps, detergents, drier sheets, and lotions.

      • The irritation may come from ingredients or added scents.

    • Excessive hand washing (usually more than 20 times per day).

    • Hair products (example:  hair dyes).

    • Nail products (example:  nail polish remover).

    • Topical medications (examples:  benzoyl peroxide, retinoids).

    • Bandages that stick to the skin (example:  band-aids).

    • Bodily fluids like saliva and urine from animals and humans.

    • Products containing alcohol (commonly found in hand sanitizers, and skin products).

    • Cement (when wet) and chalk.  

    • Household cleaning products.

    • Liquids used for repairing vehicles and fixing household appliances.

    • Paints and varnishes.

  • Examples of physical irritants are:

    • Wood and fiberglass.

    • Dust and soil.

    • Paper (more common for workers at a paper making job).

    • Plants (examples:  poinsettias and peppers).

What are the symptoms of Irritant Contact Dermatitis?

  • The rash may look red, pink, blistered, scabbed, flaky, or scaly.

  • It is usually itchy and may burn, sting, or be painful.

  • The rash may have small dots or have widespread areas of redness.

  • The rash may start minutes to hours after the contact.

  • The rash will be on the part of the body that came in contact with the irritant.

    • If the irritant is on clothes, other body parts may have the rash if touched by the clothes.

How is Irritant Contact Dermatitis Diagnosed?

  • Your child’s healthcare provider will ask you and your child (if old enough) some questions.

  • Your child’s healthcare provider will examine your child.

    • The diagnosis can usually be made by asking you questions and examining your child.

  • Sometimes your child may need to see a specialist for further evaluation, like a dermatologist or an allergist.

How can I prevent Irritant Contact Dermatitis?

  • Be sure to keep your child’s skin moisturized.

    • Encourage your child to drink lots of water (this helps keep the skin hydrated).

  • Avoid any items that you know irritate your child’s skin.

  • Let all of your child’s caretakers know what irritates your child’s skin.

  • Avoid soaps, lotions, hair products, detergents, and drier sheets with added scents and fragrances.  

  • If your child will be around plants that irritate your child’s skin, cover their skin where they will be exposed.

  • Be sure to wash and dry any exposed clothes.

  • Keep all household chemicals out of reach.

  • Alcohol free hand sanitizers may be a good option.

  • Monitor your child for excessive hand washing.

What is the treatment for Irritant Contact Dermatitis?

  • Keep the skin moisturized with thick creams, oils, or petrolatum jelly.

  • After exposure gently wash the area with a non-scented soap to clean off as much irritant as possible.

  • Your child’s provider may prescribe a medication, so be sure to use it as directed.

  • You can treat your child’s itch with these over-the-counter products:

    • Diphenhydramine cream (common brand name is Benadryl cream).

    • Hydrocortisone cream.

    • Aloe Vera (just avoid one containing alcohol).

    • Calamine lotion.

    • Try to keep your child from scratching the area.

      • Be sure to trim their nails to keep them short.

  • Avoid the irritant whenever possible.

  • Your child may need to be referred to a speclialist if the condition continues to happen or is hard to treat.

When to contact your healthcare team:

  • Your child’s symptoms are getting worse.

  • You have tried over the counter options and the rash is not improving.

  • You are unsure of what is causing your child’s rash.

  • You have any other questions or concerns.

  • You think your child needs to be seen.

📚 References

Article written by TT DO. Reviewed by: TT, DO, JW MD, Patient Education Committee.

This content was adapted from DermNet, UpToDate, Cleveland Clinic

Images from https://dermnetnz.org/topics/irritant-contact-dermatitis, https://skinsight.com/skin-conditions/irritant-contact-dermatitis/infant/