Approved for INDICATIONS AND USAGE Zithranol Shampoo for the treatment of scalp psoriasis in subjects 12 years of age and older (see PRECAUTIONS). Patients should be instructed to use Zithranol Shampoo for the minimum time period necessary to achieve the desired results.. CLINICAL PHARMACOLOGY Zithranol Shampoo contains anthralin, a synthetic compound whose precise mechanism of antipsoriatic…
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