A rash is irritated skin characterized by itching, redness or pain.

A rash is an area of irritated or swollen skin. Many rashes are itchy, red, painful and irritated. Some rashes can also lead to blisters or patches of raw skin. Rashes are a symptom of many different medical problems. Other causes include irritating substances and allergies. Certain genes can make people more likely to get rashes.

Contact dermatitis is a common type of rash. It causes redness, itching and sometimes small bumps. You get the rash where you have touched an irritant, such as a chemical, or something you are allergic [link to allergy experience] to, like poison ivy.

Some rashes develop right away. Others form over several days. Although most rashes clear up fairly quickly, others are long-lasting and need long-term treatment.

Because many different things can cause rashes, it's important to figure out what kind you have before you treat it. If it is a bad rash, if it does not go away or if you have other symptoms, you should see an Ohio State dermatologist. Treatments may include moisturizers, lotions, baths, cortisone creams that relieve swelling and antihistamines that relieve itching.


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