What happens when you mix herbs with prescription or nonprescription medications? The truth is, we often don’t know. Researchers are studying this question and hopefully we’ll have a better understanding of these interactions in the future. For the time being, the best advice is to think twice before mixing any herb with a prescription or nonprescription drug.
Certain supplements have been recognized as having a high risk of interactions with certain medications. You don’t want to mix medications with these particular herbs without your doctor’s approval because of potential risks. Some supplements of concern include:
Alternative medicine, home remedies and more in Mayo Clinic's Integrative Guide to Good Health.