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Can I take Tizanidine and Trazodone together?

Drug interaction guide

Taking tizanidine and trazodone together can make you feel extremely drowsy, dizzy, or lightheaded. It can also cause a significant drop in your blood pressure, which might lead to fainting or feeling like you are going to pass out. Your breathing may also become slower or shallower.

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Why this happens

Both drugs have a 'sedating' effect on the brain and central nervous system. When used together, these effects add up (additive effect). Additionally, both medications can lower blood pressure—tizanidine by acting on certain receptors in the brain and trazodone as a side effect of its antidepressant action.

What you should do

You should speak to your doctor before taking these two medicines together. If your doctor confirms you need both, they may suggest taking them at different times or starting with a very low dose. Do not drive, cycle, or operate machinery until you know how this combination affects you. Get up slowly from a sitting or lying position to avoid dizziness.

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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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