Synthetic hormone (androgen)
Last reviewed July 2026
Who is this for?
Danazol is a synthetic hormone drug that works by reducing the production of certain hormones in your body, especially those that affect the womb, breasts, and blood clotting.
Binds to androgen receptors in target tissues, suppressing gonadotropin-releasing hormone (GnRH) and subsequently inhibiting follicle-stimulating hormone (FSH) and luteinizing hormone (LH) secretion, thereby inducing anovulation and atrophying endometrial tissue. Additionally, increases serum C1 esterase inhibitor levels, reducing complement-mediated vascular permeability and swelling in hereditary angioedema.
Endometriosis (a condition where tissue from the womb grows in other places causing serious pain), fibrocystic breast disease (painful breast lumps), heavy menstrual bleeding, hereditary angioedema (a condition that causes repeated swelling of the body)
Prescription Required
You need a doctor's prescription to buy this drug.
Explore this drug
If you miss a dose, take it as soon as you remember. But if it is almost time for your next dose, skip the missed one and continue your normal schedule. Do not take two doses at once to make up for it.
Only buy Danazol (sold as Nazol Capsules in Nigeria) from licensed pharmacies, never from roadside sellers or open markets, as fake drugs are common. Do not share this medication with anyone else, even if they have similar symptoms. Make sure to attend all your follow-up appointments so your doctor can check your liver and blood regularly while you are on this drug.
Danazol can increase the effect of blood thinners like warfarin, making you bleed more easily. It can raise the levels of some drugs in your blood, including carbamazepine (used for seizures) and cyclosporine, leading to dangerous side effects. Avoid alcohol while taking danazol as it can worsen liver problems.
Check your specific combination
Is it safe to take Danazol with your other drugs?
Danazol is NOT safe during pregnancy or breastfeeding, as it can cause serious birth defects in an unborn baby, so you must use reliable contraception while taking it.
Store in a cool, dry place away from direct sunlight and heat. Nigerian weather can be very hot, so avoid storing near windows or in hot rooms. Keep the capsules in their original container, away from moisture, and always keep out of the reach of children.
For information only: not medical advice. Always talk to a doctor or pharmacist before changing your medication.
Names this drug is sold under, especially in Nigerian and West African pharmacies
Tap a brand for packaging, NAFDAC details and authenticity check
Counterfeit Drug Warning
Fake drugs are a serious problem in Nigeria. Always buy from a registered pharmacy. If the packaging looks different from what is described above, do not use it.