Astronium urundeuva (allemão) Engl. (Anacardiaceae) is used in northeastern Brazilian folk medicine largely for the treatment of gynaecological and dermatological problems (1). Previous studies of this plant have shown antiulcerogenic (2), analgesic and anti-inflammatory (3, 4) effects. In clinical practice, there is anecdotal evidence that the use of A. urundeuva in topical preparations may cause, maintain or ...