Can Ginkgo Biloba Cause Allergies? Expert Advice on NEOGIN - Pharmacology

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Is it possible for ginkgo biloba sold in pharmacies to cause allergic reactions? I've recently taken Quest Ginkgo Biloba tablets (NEOGIN) and have been experiencing intermittent itching on my body.
Could you please provide guidance, pharmacist? Thank you.

fang, 60~69 year old female. Ask Date: 2012/03/02

Dr. Chen Yuemei reply Pharmacology


Hello: Regarding the Ginkgo product you inquired about (Quest Ginkgo Biloba NEOGIN), the active ingredient is GINKGO BILOBA.
According to the United States Pharmacopeia, there are indeed reports of allergic skin reactions in some individuals after consumption.
However, it is also possible that the allergic reactions are due to excipients present in the medication or dietary supplement.
This explains why some individuals may not experience allergies with Brand A but may have allergic reactions with Brand B, despite both containing the same active ingredient.
The likelihood of an allergic reaction may depend on the specific excipients used in the product.
If you experience any allergic reactions after taking a medication or dietary supplement, please discontinue use immediately.
If the symptoms are severe or do not improve, it is essential to seek medical attention.
Wishing you good health.

Reply Date: 2012/03/02

More Info


Ginkgo Biloba, commonly known for its potential cognitive benefits and circulation improvement, can indeed cause allergic reactions in some individuals. While Ginkgo Biloba is generally considered safe for most people, it is important to recognize that any herbal supplement can provoke an allergic response, particularly in those who have sensitivities to specific plants or their components.

The product you mentioned, NEOGIN, is a formulation that contains Ginkgo Biloba extract. Allergic reactions to Ginkgo Biloba can manifest in various ways, including skin rashes, itching, or hives. If you are experiencing intermittent itching after starting NEOGIN, it is possible that you may be experiencing an allergic reaction to the supplement. Other symptoms of an allergic reaction can include swelling, difficulty breathing, or gastrointestinal issues, although these are less common.

In addition to allergic reactions, Ginkgo Biloba can interact with other medications and may have side effects such as gastrointestinal upset, headaches, dizziness, or increased bleeding risk, especially if taken with anticoagulants or antiplatelet medications. Therefore, it is crucial to inform your healthcare provider about all the medications and supplements you are taking to avoid potential interactions.

If you suspect that NEOGIN is causing your allergic symptoms, it is advisable to stop taking the supplement and consult with a healthcare professional. They can help determine whether your symptoms are indeed related to Ginkgo Biloba or if there may be another underlying cause. A healthcare provider may recommend an allergy test to identify specific sensitivities or suggest alternative treatments for your condition.

In summary, while Ginkgo Biloba can be beneficial for many, it is not without risks. Allergic reactions, although not extremely common, can occur, and it is essential to monitor your body's response to any new supplement. If you experience persistent or severe symptoms, seek medical attention promptly. Always consult with a healthcare professional before starting or stopping any supplement, especially if you have a history of allergies or are taking other medications.

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