Most people have only one type of psoriasis at a time. Sometimes, after symptoms go away, a new type of psoriasis appears when triggered by a certain trigger.

Psoriasis is a fairly common skin disease. People with psoriasis often experience itching, burning pain, discomfort, redness, and peeling skin. If psoriasis recurs many times, it can cause skin infections, arthritis, pustular psoriasis, erythema all over the body,...