Flexural Psoriasis

Written by Kimberly Clark
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Flexural psoriasis affects the soft, flexible parts of the body (basically, where the body bends). It is also referred to as inverse psoriasis, so named because instead of the rough scaly patches that are indicative of plaque psoriasis, the infected skin is shiny and smooth. The lesions tend to cover a large portion of the body and can be rather dry and bright red in appearance

Who Does Flexural Psoriasis Affect?

This type of psoriasis commonly afflicts overweight people. It is thought that they are more prone to it because the affected skin patches often occur in the folds or creases of the skin. Lesions frequently emerge in the armpits, under the breasts, between the buttocks and in the groin area. Because of their location, rubbing and sweating may cause further irritation.

People with flexural psoriasis may also experience chafing, thinned skin, and sexual dysfunction. The sexual dysfunction is not physical; rather, it is usually due to emotional embarrassment from outbreaks on the genitals. It should be noted that psoriasis is not contagious and cannot be spread through sexual contact.

Flexural psoriasis typically responds well to topical skin treatments, such as applications of steroid creams and ointment or products containing vitamin D3 derivatives, retinoids, and coal tar. Medicines designed to treat fungal and yeast infections may also be prescribed since skin folds have a tendency to suffer from these types of infections. Women and people who are middle-aged or older are most susceptible to flexural psoriasis.


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