Danazol and Lovastatin interaction
Danazol and Lovastatin: both prescribing labels flag this combination with the strongest language, such as a contraindication, a boxed warning, or an instruction to avoid it.
Do not combine without a prescriber's guidance. The label language below is the strongest FDA uses.
What the FDA labels say
From the Lovastatin label · effective 2026-04-03
…Voriconazole Erythromycin Clarithromycin Telithromycin HIV protease inhibitors Boceprevir Telaprevir Nefazodone Cobicistat-containing products Gemfibrozil Avoid with lovastatin Cyclosporine Danazol Do not exceed 20 mg lovastatin daily Diltiazem Dronedarone Verapamil Amiodarone Do not exceed 40 mg lovastatin daily Grapefruit juice Avoid grapefruit juice Immune-Mediated…
Danazol, diltiazem, dronedarone, or verapamil with higher doses of lovastatin: The dose of lovastatin should not exceed 20 mg daily in patients receiving concomitant medication with danazol, diltiazem, dronedarone, or verapamil.
The benefits of the use of lovastatin in patients receiving danazol, diltiazem, dronedarone, or verapamil should be carefully weighed against the risks of these combinations.
Danazol, Diltiazem, Dronedarone or Verapamil The risk of myopathy/rhabdomyolysis is increased by concomitant administration of danazol, diltiazem, dronedarone or verapamil particularly with higher doses of lovastatin (see WARNINGS , Myopathy/Rhabdomyolysis ; CLINICAL PHARMACOLOGY , Pharmacokinetics ).
However, clinical studies have shown that lovastatin does not reduce basal plasma cortisol concentration or impair adrenal reserve, and does not reduce basal plasma testosterone concentration.
From the Danazol label · effective 2022-04-01
The risk of myopathy and rhabdomyolysis is increased by concomitant administration of danazol with statins such as simvastatin, atorvastatin and lovastatin.
Consult the product labeling for statin drugs for specific information on dose restrictions in presence of danazol.
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Open in the checkerNot medical advice. Interaction Checker quotes FDA label text and NIH fact sheets. Whether an interaction matters for you depends on doses, timing, kidney and liver function, and other conditions. Confirm with a pharmacist or prescriber.