Psoriasis - Cause
The exact cause of psoriasis is not known. Many scientists believe that the condition is inherited.
Alopecia Areata: Psoralen With Ultraviolet A Light (PUVA) Therapy - Topic Overview
PUVA therapy combines a medicine (called a psoralen) and treatment with ultraviolet A (UVA) light. The psoralen increases the skin's sensitivity to UV light,including sunlight. The psoralen is taken either as a pill or by putting it on the skin directly. Then the skin is exposed to UVA. Treatments are done regularly for 4 to 6 months. PUVA is used when alopecia areata affects most of the ...
Psoriasis - Medications
Read about medications used to treat psoriasis.
Psoriasis - What Happens
Psoriasis is usually long-lasting, returns often, and can be unpredictable.
Psoriasis - Home Treatment
Skin care at home can help control psoriasis. Learn more.
Phototherapy for Psoriasis
Phototherapy is the use of ultraviolet (UV) light to slow the rapid growth of new skin cells. This is helpful in treating psoriasis, which causes skin cells to grow too rapidly. There are two types of ultraviolet (UV) light therapy: ultraviolet B (UVB) and ultraviolet A (UVA).Phototherapy may be given in a variety of places, such as in a hospital or doctor's office, in your home (UVB), or at a ...
Psoriasis - Exams and Tests
Learn about tests for psoriasis.
Psoriasis - Prevention
There is no way to prevent psoriasis. However, the following tips may improve symptoms or help reduce the number of psoriasis flare-ups.
Psoriasis - Health Tools
An interactive tool to help with decisions about psoriasis.
Psoriasis - Surgery
Surgery is not used to treat psoriasis on the skin or scalp. However, surgery may be used to treat severely disfigured or damaged nails from psoriasis. Surgical removal of a nail may be done in a clinic or doctor's office as an outpatient procedure.