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What are the indications of a skin rash?

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Quick Answer

Indications of a skin rash include inflammation, redness, itchiness, dryness and scaliness that mostly occurs on the elbows and back of the knees, neck, face, hands and scalp, says WebMD. In some cases, blisters can form on the skin as well.

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Full Answer

There are several different kinds of rashes with varying symptoms, Mayo Clinic indicates. Atopic dermatitis or eczema, one of the most common kinds of rashes, appears in patches on the skin and flares up with stress. Miliaria is caused by hot, humid weather when the body does not sweat properly. This rash is indicated by fluid-filled bumps. Psoriasis is a heavier rash that has thick patches of dead skin and silvery scales.

Some rashes are chronic, flaring up and clearing away over periods of time, Mayo Clinic explains. Rosacea is one of these rashes. It appears primarily on the face, giving it a rosy appearance. Some severe cases produce acne-like symptoms with pus-filled bumps. Usually extreme sun exposure, heat and certain foods bring on flare-ups. Eczema and psoriasis are both chronic conditions as well.

Some rashes are a result of dermatitis, says Mayo Clinic. Dermatitis is a rash caused by an allergic reaction. Itchy, red bumps and blisters are indications of contact with an allergen. Like dermatitis, a drug rash is a result of an allergic reaction, but this time to certain medications.

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