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What side effects does Ginkgo Biloba cause?

Dr. Michael Roizen, MD
Internal Medicine
Ginkgo biloba is an herb that comes from the Chinese ginkgo tree. It appears to be another of many possible antioxidants found in fruits and vegetables. A known side effect of ginkgo biloba is an antiplatelet effect (it inhibits the ability of platelets to clump together and cause blood clotting), which does not appear to be significant for most patients.
Based on information from iGuard.org, a free medication monitoring service, 5% of patients experience side effects while taking Ginkgo Biloba. Some of the side effects reported by iGuard members inlcude: Nose Bleeds. Please follow up with your doctor or other healthcare provider if you are experiencing any symptoms that worsen or do not go away.

It is possible to have an allergic reaction to or other side effects from ginko biloba. This supplement may cause a higher danger from bleeding due to anti-clotting properties, so do not take it for two weeks before surgery or with other blood-thinning drugs, such as aspirin, NSAIDs, or anticoagulants. Also avoid gingko biloba if you take seizure medications.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.