Danazol is a medication that treats endometriosis, the symptoms of fibrocystic breast disease and serious allergic reactions (angioedema). This medication comes in a capsule form that you can take by mouth with a glass of water as directed.
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DANAZOL (DA na zole) treats the symptoms of endometriosis. It may also be used to relieve breast pain caused by fibrocystic breast disease. It works by decreasing the amount of estrogen and other hormones your body makes. It can also be used to prevent episodes of swelling in people with hereditary angioedema. It works by helping your immune system prevent inflammation. It belongs to a group of medications called androgen hormones.
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This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.
COMMON BRAND NAME(S): Danocrine
They need to know if you have any of these conditions:
Take this medication by mouth with a glass of water. Follow the directions on the prescription label. Take this medication with food to decrease stomach upset. Take your doses at regular intervals. Do not take your medication more often than directed.
Talk to your care team about the use of this medication in children. Special care may be needed.
Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.
NOTE: This medicine is only for you. Do not share this medicine with others.
If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.
Do not take this medication with any of the following:
This medication may also interact with the following:
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This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.
Talk to your care team if you wish to become pregnant or think you might be pregnant. This medication can cause serious birth defects if taken during pregnancy. A barrier contraceptive, such as a condom or diaphragm, is recommended during treatment.
This medication can affect your menstrual cycle. You may stop having menstrual periods. These will return to normal within 2 to 3 months after you stop taking this medication.
Side effects that you should report to your care team as soon as possible:
Side effects that usually do not require medical attention (report to your care team if they continue or are bothersome):
This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
Keep out of the reach of children and pets.
Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Throw away any unused medication after the expiration date.
NOTE: This sheet is a summary. It may not cover all possible information. If you have questions about this medicine, talk to your doctor, pharmacist, or health care provider.
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Note: Introduction and Additional Common Questions written and medically approved by Cleveland Clinic professionals.