Side Effects of ButterburEven though it is a "natural" product, butterbur can cause side effects. Some of the reported side effects include:
- Itchy eyes
(Click Butterbur Side Effects to learn more, including potentially serious side effects you should report immediately to your healthcare provider.)
Drug InteractionsTheoretically, butterbur may interact with some medications (see Butterbur Drug Interactions).
Safety Issues With ButterburNatural butterbur contains toxic alkaloids that can damage the liver and the lungs. Unless these alkaloids are removed (as is done with some high-quality supplements), this substance should not be considered safe. Some people may be more likely to experience problems with butterbur than others are. Therefore, you should talk with your healthcare provider prior to taking this product medicinally if you have:
- Liver disease, such as liver failure, hepatitis, or cirrhosis
- Any chronic or severe medical condition
- Any allergies, including allergies to foods, dyes, or preservatives.
Also, let your healthcare provider know if you are:
- Pregnant or thinking of becoming pregnant (see Butterbur and Pregnancy)
- Breastfeeding (see Butterbur and Breastfeeding).
Make sure to tell your healthcare provider about any other medicines you are taking, including prescription and non-prescription medicines, vitamins, and herbal supplements.
(Click Is Butterbur Safe? for more information, including any available warnings and precautions.)