Burdock is a plant whose parts are used as an herbal nutritional supplement. Some people have used this herb to treat diabetes, hair loss and arthritis. The health benefits of burdock have not been extensively studied by scientists.
Allergic Reactions
According to the U.S. National Library of Medicine, allergic skin reactions have occurred in some people who used burdock plasters on their skin or touched the plant with bare hands.
Tannins
According to the U.S. National Library of Medicine, burdock has tannins that may be toxic and may cause an upset stomach, liver problems and kidney disorders.
Warnings
According to the U.S. National Library of Medicine, burdock may increase or decrease blood sugar levels in people with diabetes. HIV patients have reported diuretic effects while using burdock.
Root Tea Poisoning
According to Drugs.com, burdock root tea poisoning has been reported with unusual nervous system side effects, rashes and dryness of the nose and mouth.
Drug Interactions
According to the U.S. National Library of Medicine, burdock may enhance the diuretic effects of diuretic drugs and may increase the estrogenic effects of some birth control pills.
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