Side Effects of Danazol - for the consumer

All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome when using Danazol:

Acne; changes in menstrual flow; changes in semen volume and sperm count;
emotional problems; excessively oily skin; flushing; hair loss; nervousness;
reduction in breast size; sweating; vaginal itching or dryness; voice changes
(hoarseness, sore throat, change in pitch); weight gain.

Seek medical attention right away if any of these SEVERE side effects occur when using Danazol:

Severe allergic reactions (rash; hives; difficulty breathing; tightness in the
chest; swelling of the mouth, face, lips, or tongue); abnormal hair growth; arm
or leg pain; breathing trouble; chest pain; dark urine; dizziness; fainting;
headache; nausea; one-sided weakness; slurred speech; sore throat or fever;
stomach pain; swelling; unusual bleeding or bruising; vision problems; vomiting;
yellowing of the skin or eyes.