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Can I take 12.5mg and Losartin together?

Drug interaction guide

Taking sildenafil (Viagra) with losartan can cause your blood pressure to drop lower than intended. This may lead to symptoms like dizziness, lightheadedness, fainting, or a racing heart.

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Why this happens

Both medications work by widening your blood vessels to lower blood pressure. When used together, their effects can add up, causing a more significant drop in blood pressure than either drug would cause on its own.

What you should do

Use caution when combining these medications. If you feel dizzy or lightheaded, sit or lie down until the feeling passes. It is best to avoid rising quickly from a sitting or lying position. If you experience severe dizziness or fainting, contact your doctor.

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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.

Descargo de responsabilidad

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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Historia del artículo

La información de esta página ha sido redactada y revisada por médicos cualificados.

  • 25 Enero 2026 | Publicado originalmente
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