A medication that reduces the increase in skin cells and inflammation.

A refined derivative of anthracene, originally from a tree bark. The strongest anthralins are used in hospitals or psoriasis day treatment centers.

a topical agent prescribed for the treatment of psoriasis.

One of the older topical medications used to clear plaque psoriasis. How it works in psoriasis is not completely understood. Its main drawbacks are local skin irritation and staining of skin and clothing.

A substance that is used topically in the treatment of psoriasis. It is often used in combination with UV light.