Can I take Amitriptyline and Losartan together?
Drug interaction guide
Originally published 25 Jan 2026
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Taking amitriptyline and losartan together can cause your blood pressure to drop lower than intended. This may make you feel dizzy, lightheaded, or faint, especially when you stand up quickly from a sitting or lying position.
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Why this happens
Both medications have the effect of lowering blood pressure. Losartan is specifically designed to do this, while amitriptyline can cause low blood pressure as a side effect (orthostatic hypotension). When used together, these effects add up.
What you should do
You can take these together, but be careful when moving. Rise slowly from bed or chairs to avoid dizziness. If you feel very dizzy, sit or lie down immediately. Monitor your blood pressure regularly and tell your doctor if you feel constantly lightheaded or if you experience a racing heartbeat.
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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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