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Can I take 50 and Lisinopril together?

Drug interaction guide

Taking sildenafil (Viagra) and lisinopril together can cause your blood pressure to drop too low. This may make you feel dizzy, lightheaded, faint, or cause a headache.

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Why this happens

Both medicines work by widening your blood vessels to lower blood pressure. When used together, their effects add up, which can lead to an excessive drop in blood pressure.

Use caution when combining these medicines. It is best to avoid or strictly limit alcohol, as it can further lower your blood pressure. When moving from a lying or sitting position, stand up slowly to prevent dizziness. If you feel very dizzy or faint, contact your doctor.

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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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