Skin Folds

Inverse psoriasis can occur in skin folds such as the armpits and under the breasts. Friction and sweat can irritate this form of psoriasis.

Weaker corticosteroids are often used to treat inverse psoriasis in skin folds. These areas can be prone to yeast or fungal infections, so corticosteroids are sometimes used in combination with other medications.

Other topical treatments, such as calcipotriene (Dovonex), coal tar or anthralin, can be somewhat effective in treating psoriasis in skin folds. However, they may also be irritating. They should be used with caution and under the direction of a doctor. People with severe inverse psoriasis may occasionally require systemic medications to control the condition.

Your doctor may prescribe a product called Castellani's Paint, which is used to treat inverse psoriasis. This product is compounded by a pharmacist or bought over the counter as brand name Castederm. It is a liquid that can be painted on the affected skin. It can help dry the moist lesions of psoriasis in skin folds. Powders may also help to dry the moist lesions. Some people use creams at night and powders in the morning.

Do not occlude skin folds unless directed by a doctor.

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