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Printable Version Maidenhair Tree
Scientific Name: Ginkgo Biloba
Other Names: GLE, Ginkgo, Japanese Silver Apricot, Kew Tree, Yinhsing

What side effects should I watch for?

Major Side Effects

Cases of seizures have been reported in individuals who were taking ginkgo leaf or ginkgo seed. Many of these individuals had not experienced seizures before taking ginkgo.

Very rare cases of cerebral hemorrhage (bleeding into the brain) have been reported among individuals taking ginkgo leaf extract. Taking ginkgo leaf has also been associated with sudden bleeding under the surface of the skin or into the eyes.

Consuming fresh ginkgo seeds or more than ten ginkgo seeds that have been roasted may result in:

  • Difficult breathing
  • Seizures
  • Unconsciousness
  • Death

Touching ginkgo fruit pulp often causes severe irritation of the skin. The resulting blisters, intense itching, pain, redness, and swelling may last for several days. All individuals touching ginkgo fruit may experience this effect, but individuals who have had rashes from poison ivy are more likely to have similar reactions from touching ginkgo pulp.

Less Severe Side Effects

Rarely, taking ginkgo leaf extract (GLE) has been associated with mild dizziness, gastrointestinal (GI) complaints, headaches, or muscle weakness.

Taking roasted ginkgo seeds by mouth has resulted in:

  • Diarrhea
  • Nausea
  • Restlessness
  • Upset stomach
  • Vomiting

Oral forms of ginkgo may cause allergic skin reactions such as rashes and itching.

Eating ginkgo fruit may cause itching, pain, redness, or swelling around the mouth.

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Note: The above information is not intended to replace the advice of your physician, pharmacist, or other healthcare professional. It is not meant to indicate that the use of the product is safe, appropriate, or effective for you.

In general, herbal products are not subject to review or approval by the U.S. Food and Drug Administration (FDA). They are not required to be standardized, meaning that the amounts of active ingredients or contaminants they contain may vary between brands or between different batches of the same brand. Not all of the risks, side effects, or interactions associated with the use of herbal products are known because few reliable studies of their use in humans have been done.

This information is provided for your education only. Please share this information with your healthcare provider and be sure that you talk to your doctor and pharmacist about all the prescription and non-prescription medicines you take before you begin to use any herbal product.

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