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Can I take Amlodopine and Danazol together?

Drug interaction guide

Taking danazol while you are on amlodipine can cause the levels of amlodipine in your blood to rise. This can lead to an increased risk of side effects, such as feeling dizzy, getting a headache, or experiencing swelling in your ankles (oedema). It may also cause your blood pressure to drop lower than intended.

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Why this happens

Amlodipine is broken down in the liver by a specific enzyme (CYP3A4). Danazol interferes with this process by blocking the enzyme, which means the amlodipine stays in your system longer and reaches higher levels than normal.

What you should do

You should speak to your doctor before taking these two medicines together. Your doctor may need to monitor your blood pressure more closely or adjust your dose of amlodipine while you are taking danazol. If you feel unusually dizzy or faint, contact your healthcare provider.

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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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