Ginkgo (ginkgo biloba) - oral
ginkgo biloba leaf extract 40 mg capsule
Ginkgo has been used for improving blood flow, for improving memory/concentration due to certain brain problems (such as Alzheimer's disease, dementia), and for relief of premenstrual syndrome (PMS), eye problems, and dizziness.
Look for ginkgo products that contain standardized gingko leaf extracts. Avoid using products that contain fresh or roasted gingko seeds. The seeds may contain a toxic chemical. Seizures and death have occurred in people who ate as few as 10 seeds. The risk is higher in children.
Some herbal/diet supplement products have been found to contain possibly harmful impurities/additives. Check with your pharmacist for more details about the brand you use.
The FDA has not reviewed this product for safety or effectiveness. Consult your doctor or pharmacist for more details.
Take this product by mouth as directed. Follow all directions on the product package. If you have any questions, ask your doctor or pharmacist.
Consult your doctor or pharmacist before using this product for memory loss or brain problems. Your condition may require medical attention.
This herbal product should not be used for more than 3 months at a time. Consult your doctor or pharmacist.
If your condition lasts or gets worse, or if you think you may have a serious medical problem, get medical help right away.
Stomach upset, nausea, diarrhea, dizziness, or headache may occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly.
Get medical help right away if you have any very serious side effects, including:
- easy bleeding/bruising
- irregular heartbeat
- inability to move (paralysis)
- muscle weakness
- trouble speaking
- severe headache
- weakness on one side of the body
- vision problems
A very serious allergic reaction to this product is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including:
- itching/swelling (especially of the face/tongue/throat)
- severe dizziness
- trouble breathing
This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.
In the US -
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 or at www.fda.gov/medwatch.
In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.
Before taking this product, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
If you have any of the following health problems, consult your doctor or pharmacist before using this product:
- bleeding problems
Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products). Ginkgo may decrease the ability of blood to clot. Stop taking this product at least 2 weeks before your surgery unless otherwise directed by your doctor. Ask your doctor when it is safe to start using this product after your surgery or procedure.
Liquid forms of this product may contain sugar and/or alcohol. Caution is advised if you have diabetes, alcohol dependence, or liver disease. Ask your doctor or pharmacist about using this product safely.
Ginkgo is not recommended for use during pregnancy. Consult your doctor before using this product.
It is unknown if this product passes into breast milk. Consult your doctor before breast-feeding.
Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval.
Some drugs that may interact with this product are:
- anti-seizure medications (such as gabapentin, phenytoin)
- nonsteroidal anti-inflammatory drugs-NSAIDs (such as ibuprofen, naproxen, piroxicam)
- medications/herbal products that may increase your risk of bleeding (including "blood thinners" such as warfarin and heparin, anti-platelet drugs such as clopidogrel and ticlopidine, herbs such as danshen/garlic/ginger)
Aspirin may also increase the risk of bleeding when used with this product. If your doctor has prescribed low doses of aspirin to prevent heart attack or stroke (usually 81-162 milligrams a day), you should continue to take the aspirin. Consult your doctor or pharmacist for more details.
If someone has overdosed and has serious symptoms such as passing out or trouble breathing, call 911. Otherwise, call a poison control center right away. US residents can call their local poison control center at 1-800-222-1222. Canada residents can call a provincial poison control center. Symptoms of overdose may include: difficulty breathing, seizures, loss of consciousness.
Keep all medical and lab test appointments.
If you miss a dose, use it as soon as you remember. If it is near the time of the next dose, skip the missed dose. Use your next dose at the regular time. Do not double the dose to catch up.
Refer to storage information printed on the package. If you have any questions about storage, ask your pharmacist. Keep all medications and herbal products away from children and pets.
Do not flush medications down the toilet or pour them into a drain unless instructed to do so. Properly discard this product when it is expired or no longer needed. Consult your pharmacist or local waste disposal company.
HOW TO USE THIS INFORMATION: This is a summary and does NOT have all possible information about this product. This information does not assure that this product is safe, effective, or appropriate for you. This information is not individual medical advice and does not substitute for the advice of your health care professional. Always ask your health care professional for complete information about this product and your specific health needs.
Information last revised May 2023.
Copyright(c) 2023 First Databank, Inc.
Selected from NATIONAL DRUG DATA FILE (NDDF) data included with permission and copyrighted by First Databank, Inc., 2019. This copyrighted material has been downloaded from a licensed data provider.
The above information is intended to supplement, not substitute for, the expertise and judgment of your health care professional. You should consult your health care professional before taking any drug, changing your diet, or commencing or discontinuing any course of treatment.