Anthralin for Psoriasis
Anthralin comes as an ointment, a cream, or a stick. For short-term therapy, anthralin is applied to the skin or scalp for 20 to 60 minutes once a day, then washed or shampooed off.
Treatment usually starts with a product that contains a small amount of the medicine. The amount is increased every few days as long as your symptoms are improving and you are not having side effects. If a lower-dose product is used, it can be left on the skin longer (often overnight) and washed off in the morning.
Anthralin can be used in combination with coal tar and ultraviolet B (UVB) therapy (Ingram regimen). It can also be combined with corticosteroids or calcipotriene.
How It Works
Anthralin limits the growth of skin cells.
Why It Is Used
Anthralin is used to treat large, scaly patches of psoriasis on the arms, legs, or torso that have not cleared up with other treatment.
How Well It Works
Used alone, anthralin can be effective over a period of a few weeks.
Anthralin is likely to be effective in 2 to 3 weeks when combined with ultraviolet (UV) light therapy (the Ingram regimen).1
Side effects of anthralin include:
Newer forms of anthralin have made staining less of a problem.
See Drug Reference for a full list of side effects. (Drug Reference is not available in all systems.)
What To Think About
Anthralin may permanently stain fabrics, showers, countertops, sinks, and other materials.
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