The article presents the case of a 39 year old woman who complained about her painful right thumb, which can be constant and throbbing at times. The examination revealed a minimal swelling and mild tenderness at the base of the thumb wherein an x-ray indicated bony and cartilaginous degenerative changes. In treating the condition, the doctor administer Guaiacum 30C to the patient. Key infomation on the procedure is further presented.