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Can I take 2.5mg and Magnesium together?

Drug interaction guide

Magnesium can interfere with how your body absorbs certain medications, potentially making them less effective. However, without knowing the name of the 2.5mg medication you are taking, it is impossible to provide a specific safety assessment.

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Why this happens

Magnesium is a 'divalent cation'. It can bind to many drugs in the digestive tract (a process called chelation), creating a large molecule that the body cannot absorb into the bloodstream. It can also change the acidity of the stomach, which affects how some tablets dissolve.

Please provide the name of the 2.5mg medication (e.g., amlodipine, ramipril, bisoprolol, or Eliquis). As a general rule, you should leave a gap of at least 2 hours between taking magnesium and any other medication. Speak to your pharmacist or doctor before combining them.

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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.

  • 12 May 2026 | Originally published
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