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Can I take 1.5mg and Losartan together?

Drug interaction guide

Taking indapamide and losartan together can cause your blood pressure to drop lower than intended. This may make you feel dizzy, lightheaded, or faint, especially when standing up quickly. It can also affect your kidney function and change the levels of potassium in your blood.

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Why this happens

Both medicines work to lower blood pressure but in different ways. Indapamide is a 'water tablet' (diuretic) that removes salt and water, while losartan relaxes blood vessels. Using them together has an additive effect. Additionally, both drugs can affect how your kidneys filter blood.

It is common for doctors to prescribe these together, but you should be monitored closely. Make sure you stay hydrated. If you feel very dizzy or weak, sit or lie down immediately and contact your doctor. Your doctor will likely perform regular blood tests to check your kidney function and potassium levels.

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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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