Do not take Ginkgo Biloba without medical advice if you are using a medication to treat any of the following conditions:
any type of infection (including HIV, malaria, or tuberculosis);
anxiety or depression;
asthma or allergies;
cancer;
erectile dysfunction;
heartburn or gastroesophageal reflux disease (GERD);
high blood pressure, high cholesterol, or a heart condition;
migraine headaches;
psoriasis, rheumatoid arthritis, or other autoimmune disorders;
a psychiatric disorder; or
seizures.
Do not take Ginkgo Biloba without medical advice if you are using any of the following medications:
warfarin (Coumadin, Jantoven);
insulin or oral diabetes medicine;
narcotic medicine; or
an NSAID (nonsteroidal anti-inflammatory drug)--aspirin, ibuprofen (Advil, Motrin), naproxen (Aleve), celecoxib, diclofenac, meloxicam, and others.
This list is not complete. Other drugs may interact with ginkgo, including prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible interactions are listed in this product guide.
 Ginkgo Biloba drug interactions (more detail)
