Can I take Clopodogrel and Magnesium together?
Drug interaction guide
Originally published 12 May 2026
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Taking magnesium supplements or magnesium-based antacids at the same time as clopidogrel may slightly reduce how much clopidogrel your body absorbs. This could potentially make the clopidogrel less effective at preventing blood clots.
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Why this happens
Magnesium can interfere with the absorption of clopidogrel in the digestive tract. Additionally, some magnesium-based antacids increase the pH of the stomach, which can alter how the medication dissolves and enters the bloodstream.
What you should do
Back to contentsTo be safe, it is best to separate the doses. Take your clopidogrel at least 2 hours before or 2 hours after taking any magnesium supplements or antacids. If you are taking magnesium for a specific medical condition, discuss the timing with your pharmacist or doctor.
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Using other medicines
Back to contentsTaking 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.
12 May 2026 | Originally published
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