Ulcer: Concave sore on the skin or lining of an organ, with well-defined, sometimes raised edges. Erosion of surface tissue may extend to deeper layers.

Topical preparations of devil's claw are also applied to the surface of the skin to heal sores, ulcers, boils, and skin lesions.

When it is coated on skin, the medicine is slowly released from formed film to obtain durable and high curative effect and relax the developement of gastric ulcer.