Can I take Danazol and Metformin together?
Drug interaction guide
Originally published 25 Jan 2026
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Danazol can make metformin less effective at lowering your blood sugar levels. This means your blood sugar might rise higher than usual while you are taking both medications.
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Why this happens
Danazol is a synthetic steroid that can cause 'insulin resistance'. This means it makes your body's cells less responsive to insulin and can increase the amount of sugar your liver produces, which directly opposes the blood-sugar-lowering effects of metformin.
What you should do
You should monitor your blood sugar levels more frequently than usual. If you notice your readings are consistently high, or if you experience symptoms of high blood sugar (such as feeling very thirsty, needing to urinate more often, or blurred vision), contact your doctor. They may need to adjust your metformin dose while you are taking danazol.
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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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