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In some people, instead of the extensor surfaces of the extremities and the skin of the trunk, the skin folds are affected. This is an "inverted form of psoriasis".
Psoriasis of the Skin Folds (aka Inverse psoriasis, Intertriginous psoriasis, or psoriasis Intertriginosa) is located in the skin folds: i.e. armpits, under the breasts, skin folds around the groin and between the buttocks.
It is more likely to be found in overweight people, people with diabetes or in athletes. Psoriasis of the Skin Folds is usually triggered by friction or sweating in skin folds.
The lesions are usually bright pink or red, smooth and irritated. The lesions are usually of a large size but without thick scales found with other types of psoriasis, because of the increased humidity in the skin folds.
Psoriasis of the Skin Folds can resemble Candidiasis and Dermatomycosis.
In contrast to Psoriasis of the Skin Folds, Candidiasis and Dermatomycosis flow more acutely, the affected areas are more vivid and on the edge of the affected areas there is a clearly expressed border.
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