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.