Can I take Citalopram and Magnesium together?
Drug interaction guide
Originally published 12 May 2026
Meets Patient’s editorial guidelines
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There is no significant interaction between citalopram and standard magnesium supplements. However, very high doses of magnesium (often found in certain laxatives or antacids) could potentially affect how citalopram is processed by the body, though this is rarely a concern at normal nutritional doses.
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Why this happens
Citalopram is an antidepressant (SSRI) and magnesium is a mineral. They do not typically interfere with each other's absorption or effectiveness. There is a theoretical, very minor risk that extremely high magnesium levels could influence heart rhythms, which citalopram can also affect, but this is not a practical concern for most people taking standard supplements.
What you should do
Back to contentsIt is generally safe to take these together. Stick to the recommended daily allowance of magnesium. If you are taking magnesium for a specific medical condition or using high-dose magnesium laxatives frequently, mention this to your doctor or pharmacist. Always space your supplements and medications by a couple of hours if you experience any stomach upset.
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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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