A native to South America, Pau d’arco (Tabebuia avellanedae), has been used in herbal medicine with a wide range of health concerns, including pain, arthritis, inflammation of the prostate gland (prostatitis), fever, dysentery, boils and ulcers, and various cancers. It reduces joint pain and inflammation, fights candida, provides antiviral & antifungal properties, detoxifies the body. Pau d’arco is also used to treat a wide range of infections. These include viral respiratory infections such as the common cold, flu, and H1N1 (swine) flu; sexually transmitted infections such as gonorrhea and syphilis; infections of the prostate and bladder; ringworm and other parasitic infections; yeast infections; and infectious diarrhea. Other uses for pau d’arco include diabetes, ulcers, stomach inflammation (gastritis), liver ailments, asthma, bronchitis, hernias, boils, and wounds. Because some people see pau d’arco as a “tonic and blood builder,” it is also used to treat anemia.