What Is Palmoplantar Psoriasis?

Psoriasis is a chronic autoimmune inflammatory disorder of the skin. The most common type is a generalized plaque variant, which varies by patient in severity and where it appears on the body. Plaques are marked areas of raised, thickened skin.

Palmoplantar psoriasis is another variant of psoriasis that affects the skin of the palms of the hands and soles of the feet. Psoriasis affects approximately two to five percent of the population, with an estimated three to four percent of those patients suffering from palmoplantar psoriasis.

Palmoplantar psoriasis may appear at any age. Palmoplantar pustulosis, a more severe related condition that causes blister-like sores on the palms and soles, generally appears between the ages of 20 and 60 years.

Though palmoplantar psoriasis may not cover a large area of the body, research indicates that this type of psoriasis is especially debilitating due to its location. The feet and hands are necessary for everyday functioning, so disruption to daily life is increased compared to plaque psoriasis.

People with palmoplantar psoriasis rate their quality of life as much lower than those with general plaque psoriasis. Additionally, psoriasis of the feet affects one of the most sensitive parts of the body. Each step distributes the weight across the foot