Side effects of ashwagandha may include drowsiness, low blood pressure, lower blood sugar, diarrhea, nausea, or abdominalabdominalrelating to the stomach and intestines pain. Severe side effects may include shallow breathing and abnormal heart rhythm.
Ashwagandha can interact with some medications. It may increase the sedativesedativean agent that induces sleep, relaxes, and reduces tension effects of alcohol, benzodiazepines (e.g., diazepam, clonazepam, etc.), barbiturates (e.g., phenobarbital), other sedatives and anxiety relieving medications and herbal products, and thyroid supplements.
It can add to the blood-pressure-lowering effects of blood pressure medications. It can also add to the blood sugar lowering effects of medications for diabetes.
Ashwagandha may also decrease the effects of medications that suppress the immune system (e.g., cyclosporine, corticosteroids). If you are taking any of these medications or herbal products, talk to your health care provider before using ashwagandha.
You should avoid ashwagandha if you have:
- autoimmune disease (e.g., multiple sclerosis, lupus, and rheumatoid arthritis)
- thyroid problems
- peptic ulcer disease (stomach or intestinal ulcers)
- recently had surgery
You should avoid using ashwagandha if you are allergic to it.
You should not use ashwagandha if you are pregnant or breast-feeding. Consult your health care professional if you have any questions.
Before taking any new medications, including natural health products, speak to your physician, pharmacist, or other health care provider. Tell your health care provider about any natural health products you may be taking.