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Can I take Ramipril and Ibuprofen together?

Drug interaction guide

Taking ibuprofen while on ramipril can make your blood pressure medication less effective. More importantly, it can significantly increase the risk of kidney problems and may cause your body to hold onto too much potassium.

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Why this happens

Ramipril works by relaxing blood vessels and helping the kidneys filter fluid. Ibuprofen blocks natural chemicals called prostaglandins that help keep the blood vessels in the kidneys open. When both drugs are taken together, the blood flow to the kidneys can drop too low, potentially leading to kidney strain or failure. Ibuprofen also causes the body to retain salt and water, which opposes the blood-pressure-lowering effect of ramipril.

What you should do

You should avoid taking ibuprofen regularly while taking ramipril. If you need pain relief, paracetamol is generally a safer choice. If you must take ibuprofen, use the lowest dose for the shortest time possible and speak to your GP. Seek medical advice if you notice decreased urination, swelling in your ankles, or unusual tiredness.

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Important precautions

Pregnancy

You must not take ramipril if you are pregnant or planning to become pregnant as it can cause serious harm to the developing baby, particularly affecting their kidneys.

Asthma

Do not take ibuprofen if you have asthma that is worsened by aspirin or other non-steroidal anti-inflammatory drugs (NSAIDs), as it can trigger a life-threatening asthma attack.

Kidney function

Taking these two medicines together significantly increases the risk of sudden kidney failure. This risk is even higher if you are also taking a 'water tablet' (diuretic).

Food and drink warnings

Alcohol

Drinking alcohol while taking ramipril can increase the blood pressure-lowering effect of the medicine, which may make you feel dizzy, lightheaded, or faint. It is best to keep alcohol intake to a minimum, especially when you first start taking ramipril or if your dose is increased.

Salt substitutes (Potassium-rich)

Ramipril can increase the levels of potassium in your blood. Using salt substitutes that contain potassium (such as Lo-Salt) can cause your potassium levels to become too high. This can lead to serious heart problems. Check with your pharmacist before using these products.

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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.

  • 24 Jan 2026 | Originally published
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