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Danazol

Pronounced

"DAY-nuh-zole"

Common brand names:

Cyclomen

Uses

This medication is used in women to treat pelvic pain and infertility due to a certain disorder (endometriosis) and also to treat breast pain/tenderness/nodules due to a certain breast condition (fibrocystic breast disease). It is also used in both men and women to prevent swelling of the abdomen/arms/legs/face/airway due to a certain congenital disease (hereditary angioedema).

Danazol is an androgen similar to testosterone. For the treatment of endometriosis and fibrocystic breast disease, it works by decreasing the amount of hormones made by the ovaries. These hormones usually make the conditions worse. For the treatment of angioedema, danazol helps to increase the amount of a certain protein in your body's defense system (immune system).

How to Use This Medication

Take this medication by mouth as directed by your doctor, usually twice daily. You may take this medication with or without food, but it is important to choose one way and take this medication the same way with every dose.

The dosage is based on your medical condition and response to treatment.

Use this medication regularly to get the most benefit from it. To help you remember, take it at the same times each day.

Tell your doctor if your condition does not improve or if it worsens.

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Information expires December 2025.