Contact dermatitis how long to go away

Increased redness and pain, weeping of pus, crusting, and swelling are all signs of infection and should be evaluated by a healthcare provider. Contact dermatitis can lead to post-inflammatory hyperpigmentation. This is darkening or discoloration of the skin due to an inflammatory response. You'll notice the discoloration after the contact dermatitis has healed.

Not everyone is prone to developing post-inflammatory hyperpigmentation, and it is more likely to develop after a severe bout of contact dermatitis. Some cases of post-inflammatory hyperpigmentation fade away on their own over time. Others can be permanent. Post-inflammatory hyperpigmentation is not harmful, but you can talk with your practitioner about treatment if the appearance bothers you. Most cases of contact dermatitis will heal on their own within about 3 weeks —as long as you avoid the substance that caused the rash.

If the rash is healing well and isn't too uncomfortable, there's no need for medical treatment. You should see a healthcare provider if your rash is:.

You may need to see a medical professional even if you don't have complications if:. Contact dermatitis is a very common skin issue, and in the majority of cases it's not serious and clears up on its own. Still, it can be a frustrating problem to have. The itching, burning, and discomfort can impact your life, even if it's short-term. You might feel that your contact dermatitis, especially a chronic case, can be embarrassing if it's on obvious places like your hands or your face.

The good news is that contact dermatitis can, in most cases, be easily treated. If you aren't able to get it under control with home care, don't hesitate to call your healthcare provider.

Symptoms may appear in a matter of hours or up to 10 days after coming into contact with an allergen trigger. Most contact dermatitis cases heal on their own, but if it is particularly itchy, a topical corticosteroid cream can ease the itch.

Home remedies like oatmeal baths and cool compresses may also help. Over-the-counter hydrocortisone a weak topical corticosteroid is often insufficient; in these cases, you should see a healthcare provider. Oral steroids may also be prescribed if the rash does not respond to topical medication. Sign up for our Health Tip of the Day newsletter, and receive daily tips that will help you live your healthiest life.

American Academy of Dermatology Association. Contact Dermatitis: Signs and Symptoms. It itched like crazy, as the dead skin cracked and flaked away to make room for the dying skin beneath it. I tried using moisturizing creams and lotions to treat the redness and inflammation.

Though I had no history of allergies, I had developed contact dermatitis. It occurs because your body had an allergic reaction to a substance in the poison ivy. Typically, the reaction will subside within a couple of weeks. Those cases may require a more thorough diagnosis and stronger medication, but most of the time you can work with your healthcare provider to find an effective contact dermatitis treatment. Contact dermatitis happens when skin comes into contact with something that either irritates it irritant contact dermatitis or triggers an allergic reaction allergic contact dermatitis.

Other common irritants that can damage the outer layer of skin and cause a rash include:. It typically happens when skin comes into contact with an allergen, a substance to which the skin has a sensitivity. In rare cases, the allergen can enter the body through food, medicine, or a dental procedure. This is called systemic contact dermatitis. The antigen-presenting cells Langerhans cells recruit T cells, which release cytokines proteins that affect the interactions between cells , causing inflammation in the skin that came in contact with the allergen.

Roughly 3, chemicals are known to cause allergic contact dermatitis. Children develop the condition from the usual offenders and also from exposure to diapers, baby wipes, sunscreens, clothing with snaps or dyes, and so on. Contact dermatitis can lead to an infection if you repeatedly scratch the affected area, causing it to become wet and oozing. This creates a good place for bacteria or fungi to grow and may cause an infection.

Hand-washing is essential for preventing the spread of germs. But, sometimes, all this scrubbing can cause a rash. Does this mean you're allergic to the soap?

Davis says allergic dermatitis means a substance is causing an allergic reaction on your skin. But irritant contact dermatitis means your skin is inflamed from repeated exposure to something. Mayo Clinic does not endorse companies or products. Advertising revenue supports our not-for-profit mission.

This content does not have an English version. This content does not have an Arabic version. Overview Contact dermatitis on the wrist Open pop-up dialog box Close. Contact dermatitis on the wrist Contact dermatitis can appear as an itchy, red rash. Contact dermatitis on the face Open pop-up dialog box Close. Contact dermatitis on the face Contact dermatitis usually affects areas of skin directly exposed to an offending substance.

Poison ivy blisters Open pop-up dialog box Close. This causes the body to release inflammatory chemicals that can make the skin feel itchy and irritated. Irritant contact dermatitis is the most common type of contact dermatitis. It happens when the skin comes in contact with a toxic material. Irritant contact dermatitis can also occur when the skin comes in contact with less irritating materials — like soap or even water — too often.

People whose hands are frequently exposed to water, such as hairdressers, bartenders, and healthcare workers, often experience irritant contact dermatitis of the hands, for example.

Most cases of contact dermatitis go away on their own once the substance is no longer in contact with the skin. Here are some tips you can try at home:. Your doctor will take a thorough medical history and examine your skin.

Questions they may ask you include:. Your doctor may refer you to an allergy specialist or dermatologist to pinpoint the cause of your contact dermatitis. This specialist can perform allergy testing called a patch test. It involves exposing a small patch of your skin to an allergen.

If your skin reacts, the allergy specialist can determine the likely cause of your contact dermatitis. If you know you have sensitive skin, do a spot test with any new products.

You can apply the new product to one place on your forearm.