Dear Pharmacist,
I’m having surgery next month and I take a slew of vitamins and herbs. My doctor told me to discontinue one of my medications the day before surgery, but what about the natural things?
A.D., Boston, MA
Answer: Dietary supplements and herbs can definitely interfere with medical procedures and labs. Kava and valerian are often used by consumers to induce sleep and control anxiety, so these herbs can boost the effects of anesthesia and sedation. It’s because the combination works together and over-sedates you. Ginseng, garlic and ginkgo are known to thin the blood, a dangerous scenario during surgery. The natural antidepressant St. John’s wort can prolong the effects of anesthesia. Ephedra can interfere with the heart’s rhythm. Combine any of these supplements with prescribed medication and you could end up with a medical disaster. The American Society of Anesthesiologists suggests that people stop taking natural supplements two weeks before surgery. Be careful though. Certain herbs, like valerian should be weaned. Never stop taking anything abruptly until you’ve checked with an expert in natural medicine.
Suzy Cohen, RPh, has been a licensed pharmacist for over 30 years, blending conventional medicine with natural approaches to help people feel better and live healthier. She is the founder of Script Essentials, a supplement company known for targeted, custom-formulated products, some with patented innovations.
With a special focus on thyroid health, functional medicine, and drug-induced nutrient depletion (what she calls “drug muggers”), Suzy is the author of several books including Thyroid Healthy, Drug Muggers, and Diabetes Without Drugs. She also writes a nationally syndicated health column and shares practical, easy-to-understand guidance with readers around the world.
