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Can I take Amlodopine and Aspirin 300 together?

Drug interaction guide

Taking aspirin with amlodipine may slightly increase the risk of stomach irritation or bleeding, and high doses of aspirin (like 300mg) can sometimes make blood pressure medication slightly less effective.

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Why this happens

Aspirin belongs to a group of medicines called NSAIDs. These can cause the body to hold onto salt and water, which works against amlodipine's job of lowering blood pressure. Additionally, both medicines can affect blood flow and the lining of the stomach.

What you should do

It is generally safe to take these together occasionally, but you should monitor your blood pressure regularly. If you need to take 300mg of aspirin frequently, speak to your GP or pharmacist, as they may prefer you to use a different painkiller like paracetamol which does not affect blood pressure. Seek medical advice if you notice any unusual bruising or dark, tarry stools.

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Using other medicines

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.

  • 25 Jan 2026 | Originally published
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