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Can I take Acetaminophen and Aged garlic extract together?

Drug interaction guide

Taking aged garlic extract alongside paracetamol (acetaminophen) may increase the risk of liver damage. It might also slightly increase the risk of bruising or bleeding.

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Why this happens

Both substances are processed by the liver. Some studies suggest that high doses of garlic can change how the liver breaks down paracetamol, potentially leading to a buildup of toxic by-products. Additionally, garlic has natural blood-thinning properties which could add to the mild blood-thinning effects of paracetamol.

Use caution when combining these two. If you need to take paracetamol, stick to the lowest effective dose for the shortest possible time. Avoid taking large 'therapeutic' doses of garlic supplements while using paracetamol. If you notice yellowing of the eyes or skin (jaundice), dark urine, or unusual bruising, stop use and speak to your doctor.

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Taking multiple medicines? Our Medicines Interaction Checker helps you check whether your prescriptions, over-the-counter medicines, and supplements are safe to take together. Simply search for your medicines to see potential interactions and what to do about them.

Disclaimer

This information is for general educational purposes only and should not be relied upon as a substitute for professional medical advice. Always consult your GP, pharmacist, or another qualified healthcare professional before making decisions about your medications. Individual circumstances may vary, and only a healthcare professional who knows your medical history can provide personalised guidance.

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Article history

The information on this page is written and peer reviewed by qualified clinicians.

  • 14 Mar 2026 | Originally published
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