Evidence from two double-blind, placebo-controlled trials and one comparative trial suggest that cream made from the herb Oregon grape ( Mahonia) may help reduce symptoms of psoriasis, although it does not seem to be as effective as standard medications.
Evidencia de pruebas controladas preliminares sugiere que la hierba uva de Oregon ( Mahonia) podría ayudar a reducir ligeramente los síntomas de psoriasis, aunque no parece que sea tan efectiva como los medicamentos estándar.