ginkgo (Ginkgo biloba, Fossil Tree, Kew Tree, Silver Apricot)

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GENERIC NAME: Ginkgo biloba

BRAND NAME: Fossil Tree, Kew Tree, Silver Apricot

DRUG CLASS AND MECHANISM: Ginkgo biloba is a natural herbal supplement. Ginkgo biloba may have antioxidant properties. Ginkgo biloba also slows down platelet binding in the body, which may increase bleeding risks. Ginkgo biloba is commonly used for memory improvement and dementia. Check with your health-care professional before using herbs or herbal supplements.



PREPARATIONS: Ginkgo biloba is available as oral capsules, liquid soft gels, tea extract, and liquid extract. Concentration of gingko biloba may vary from product-to-product due to multiple manufacturers producing various products.

STORAGE: Due to multiple manufacturers making different forms of gingko biloba, storage requirements may vary based on individual manufacturer practices.

PRESCRIBED FOR: Ginkgo biloba is used for memory improvement, dementia, multiple sclerosis, tinnitus (ringing in the ears), sexual dysfunction, premenstrual syndrome, dizziness, and vertigo.

DOSING: (dosing may vary with the preparation [capsules, gels, extracts]; read manufacturer's directions before using this product).

  • Dementia: Take 120 – 240 mg per day in divided doses, 2 to 3 times a day.
  • Vertigo and tinnitus: Take 120 – 160 mg per day in divided doses, 2 to 3 times a day.
  • Sexual dysfunction: Take 60 – 240 mg by mouth twice a day.
  • Premenstrual symptoms: Take 80 mg by mouth twice a day, start on day 16 and continue to day 5 of next cycle.

DRUG INTERACTIONS: Ginkgo biloba should be used with caution with medications that increase bruising and bleeding risks. Medications like aspirin, celecoxib (Celebrex), ibuprofen (Motrin), diclofenac (Voltaren), meloxicam (Mobic), naproxen (Aleve, Naprosyn), warfarin (Coumadin), enoxaparin (Lovenox), and clopidogrel (Plavix) should be used with caution with ginkgo biloba. Check with your doctor before using this herbal product.

PREGNANCY: There are no adequate studies of gingko biloba to determine safe and effective use in pregnant women.

NURSING MOTHERS: It is not known whether gingko biloba is excreted in breast milk.

SIDE EFFECTS: Side effects of gingko biloba are bleeding, constipation, diarrhea, dizziness, nausea, vomiting, headache, abdominal discomfort, restlessness, and weakness.


MedlinePlus Supplements. Ginkgo.

Medscape. Ginkgo Biloba.

Medically Reviewed by a Doctor on 9/19/2014

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