Psoriasis is a complex, chronic, multifactorial,
inflammatory disease that involves hyperproliferation of the keratinocytes in the epidermis.
The disease most commonly manifests on the skin of the elbows, knees, scalp,lumbosacral areas, intergluteal clefts, and glans penis. In up to 30% of patients,the joints are also affected.
Medications used in the management of psoriasis include the following:
Coal tar 0.5-33%
Vitamin D analogs