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Can I take Amitriptyline low dose and Creatine together?

Drug interaction guide

There are no known direct interactions between low-dose amitriptyline and creatine supplements. Both substances are generally considered safe to take together.

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Why this happens

Amitriptyline is a tricyclic antidepressant metabolised primarily by the liver, while creatine is a nitrogenous organic acid processed mainly by the kidneys and used by muscles. They do not share the same metabolic pathways or compete for the same receptors in the body.

You can take these together. However, ensure you stay well-hydrated, as both substances can affect your body's fluid balance—amitriptyline can cause a dry mouth, and creatine draws water into the muscle cells. If you have any pre-existing kidney issues, consult your GP before starting creatine.

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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.

  • 14 Mar 2026 | Originally published
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