Rashes

Disease	Injury	Nutrition	Poison

Special Topic	Surgery	Symptoms	Test

Poison oak rash on the arm

Erythema toxicum on the foot

Acrodermatitis

Roseola

Cellulitis

Erythema annulare centrifugum - close-up

Psoriasis, guttate on the arms and chest

Psoriasis, guttate on the cheek

Systemic lupus erythematosus rash on the face

Poison ivy on the knee

Poison ivy on the leg

Overview

Treatment

Rashes

Definition:

Rashes involve changes in color or texture of the skin.

Alternative Names:

Skin redness or inflammation; Skin lesion; Rubor; Skin rash; Erythema

Considerations:

Often, the cause of a rash can be determined from its visible characteristics and other coexisting symptoms.

Common Causes:

Contact dermatitis following exposure to:
- Dyes and other chemicals found in clothing
- Chemicals found in elastic and rubber products
- Cosmetics
- Feminine deodorants
- Poison ivy and poison oak
Eczema
Medications or insect bites that cause allergic reactions

Various diseases can cause rashes, including:

Review Date: 10/29/2002
Reviewed By: Steven Angelo, M.D., Assistant Professor of Medicine, Yale School of Medicine. Review provided by VeriMed Healthcare Network.

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