Knowing which kind of psoriasis you have helps you and your doctor make a treatment plan. Most people have only one type at a time. Experts believe psoriasis is an autoimmune disease.

Pustular psoriasis is a group of psoriatic conditions known to cause pus-filled breakouts. GPP is the most severe but rarest type of pustular psoriasis and is known to cause widespread pustules ...

If you haven’t received an official diagnosis for your skin condition, a dermatologist is usually the type of doctor who will diagnose psoriasis. They’ll examine your skin for symptoms ...

In the treatment of psoriasis, preliminary evidence supports the hypothesis that IL-23 inhibitors are capable of extended ...