Treating certain types of breast cancer in women who have been through menopause or whose ovaries no longer function. It may also be used for other conditions as determined by your doctor.
Testolactone is an antineoplastic that is related to testosterone (male sex hormone) but has not been shown to have the masculine effects of testosterone. It works by blocking the production of estrogen, which helps prevent the growth of breast cancers that are activated by estrogen. It may also prevent tumor cells from being activated by other hormones.
Possible side effects of testolactone:
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:
Abnormal skin sensations; aches of the legs and arms; general body discomfort; hair loss; loss of appetite; nausea; redness of the tongue; vomiting.
Seek medical attention right away if any of these SEVERE side effects occur:
Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); confusion; dizziness; increased thirst or urination; severe drowsiness; severe muscle weakness; swelling of the hands or feet.