Pau D'Arco is reputed to possess significant and potent antiviral and antifungal properties and has been used as an effective treatment against viruses, yeast infections, such as Candida albicans, etc., herpes simplex, flu, gonorrhea, athlete's foot, warts, syphilis, venereal disease and vaginitis. Lapachol and beta-lapachone have demonstrated antibacterial, antifungal (fungistatic) and antimalarial activity. Pau D'Arco is thought to promote and maintain normal blood sugar levels, which may be of help in cases of diabetes. Pau D'Arco is considered a mild laxative and diuretic, which also helps to clear toxins from the body. It promotes urine flow and supports urinary tract health, fighting such conditions as cystitis, prostatitis and other urinary infections. The herb is also thought to lower fever. As a blood cleanser, Pau D'Arco is thought to purify and clear toxins from the blood. It is considered to be an immune enhancer, strengthening and stimulating the immune system.