What is black haw?

What is black haw ()? The use of black haw in cultural and traditional settings may differ from concepts accepted by current Western medicine. When considering the use of herbal supplements, consultation with a primary health care professional is advisable. Additionally, consultation with a practitioner trained in the uses of herbal/health supplements may be beneficial, and coordination of treatment among all health care providers involved may be advantageous.Black haw is also known as blackhaw viburnum, cramp bark, sheepberry, shonny, sloe, sloe-leaved viburnum, stagbush, sweethaw, American sloe, king's crown, sheep berry, snowball, tree stagbush and others.Black haw has been used to ease the symptoms of menopause and menstrual discomfort. Black haw has also been used for false labor pains and in threatened miscarriage. In addition, it has been used to lower blood pressure in hypertension and as an anti-spasmodic the treatment of asthma.Black haw has not been evaluated by the FDA for safety, effectiveness, or purity. All potential risks and/or advantages of black haw may not be known. Additionally, there are no regulated manufacturing standards in place for these compounds. There have been instances where herbal/health supplements have been sold which were contaminated with toxic metals or other drugs. Herbal/health supplements should be purchased from a reliable source to minimize the risk of contamination.Black haw may also have uses other than those listed in this product guide.