DANAZOL 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.

With the Patient Assistance Program from HealthWell Foundation, contact the program to see how they can financially help you out.