What are the potential side effects of Ginkgo Biloba, and who should avoid taking it?

Question

Tyler Smith · Accepted Answer

Ginkgo Biloba is popular for its [cognitive benefits and memory improvement](/qa/what-are-the-best-plant-based-supplements-for-cognitive-enhancement-and-memory-improvement), but like any botanical, it's essential to understand its potential side effects and contraindications.

## Common Side Effects

Based on extensive research, common side effects are generally mild and may include:

*   **Headaches**
*   **Dizziness** (Ginkgo may also interact with [plant-based medicines for managing vertigo and dizziness](/qa/what-are-the-best-plant-based-medicines-for-managing-vertigo-and-dizziness))
*   **Palpitations**
*   **Gastrointestinal upset** (nausea, diarrhea)

These side effects are often reported when starting a new dosage or when taking Ginkgo on an empty stomach.

## Serious Concerns and Contraindications

More serious concerns, though rare, involve an increased risk of **bleeding**. This is crucial for certain individuals:

*   **Individuals on anticoagulant medications (blood thinners)** such as warfarin, aspirin, or clopidogrel *must* avoid Ginkgo Biloba. It can significantly amplify their effects and lead to serious hemorrhagic events.
*   **Those with known bleeding disorders** should avoid Ginkgo.
*   **Anyone preparing for surgery** should discontinue Ginkgo at least two weeks prior to the procedure.

## Who Should Avoid Ginkgo Biloba?

Several other groups should exercise caution or avoid Ginkgo due to potential risks or insufficient safety data:

*   **Pregnant or breastfeeding women:** There isn't enough reliable information to confirm its safety during these periods.
*   **Individuals with a history of seizures:** Ginkgo may lower the seizure threshold in some susceptible individuals, potentially interacting with [plant-based medicines for neurological support](/qa/how-to-choose-the-best-plant-based-remedies-for-restless-legs-syndrome-rls-relief-and-what-are-buyer-concerns).
*   **Diabetics:** Ginkgo may affect blood sugar levels, requiring careful monitoring, similar to how [plant-based solutions for managing blood sugar](/qa/what-are-the-best-plant-based-solutions-for-maintaining-blood-sugar-balance-and-insulin-sensitivity-beyond-diet) need careful consideration.
*   **Those taking SSRI antidepressants:** There's a potential for interaction, although the evidence is mixed.

Always consult with a healthcare professional before adding Ginkgo Biloba to your regimen, especially if you have pre-existing medical conditions or are taking other medications. This proactive approach ensures safety and helps determine if Ginkgo is the right choice for your health goals.

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