Dermatology

Skin Sweating Disorders

Skin Sweating Disorders | Excessive Sweating | Prickly Heat

Prickly Heat

What is prickly heat?

Prickly heat is a skin rash caused by trapped sweat under the skin. Sweat can become trapped when the narrow ducts through which sweat travels to the surface become clogged. Prickly heat tends to be more common in warmer, more humid climates. The condition usually appears on the torso and thighs.

What are the symptoms of prickly heat?

The following are the most common symptoms of prickly heat. However, each individual may experience symptoms differently:

itching
irritation (prickling)
small blisters
large, red areas on skin

The symptoms of prickly heart may resemble other dermatologic conditions. Consult a physician for diagnosis.

Treatment for prickly heat:
The condition usually clears up when sweating is avoided. Other treatment may include:

keeping the skin cool and dry
corticosteroid lotions

This page was last updated on: January 30, 2008.

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