Topical therapies possess the fewest side effects and are successful in treating most patients with limited disease. The old standbys of coal tar and anthralin therapies are cost-effective agents ...

Coal tar is inexpensive, relatively free of side effects, safe for use on large body surfaces, and an effective treatment for psoriasis. It is an antipruritic and antibacterial agent that inhibits ...

A topical treatment is a medicated ointment ... depending on the severity of their psoriasis and other factors. Salicylic acid and coal tar are both available over the counter, but the others ...