Endometriosis, uterine fibroids, & premenopausal breast cancer (for 3.75 mg & 11.25 mg): Hypoestrogenism-related symptoms: Hair loss; arthralgia, myalgia, decreased bone mass; headache, dizziness, paresthesia; increased sweating; visual disturbance; decreased libido, emotional lability, depression, sleep disorders; decreased breast size, dry vagina/vaginitis. Body as a whole: Hot flushes, edema, wt changes; anaphylactic reaction, rash, pruritus; nausea, vomiting, anorexia; abnormal LFT values, usually transient; inj site reactions. Central precocious puberty: General allergic reactions (fever, rash, itching, anaphylactic reactions); emotional lability (eg, crying, irritability, impatience, anger, aggression); headache, pituitary haemorrhage following initial administration in patients w/ pituitary adenoma, seizure, pseudotumor cerebri/idiopathic intracranial HTN; abdominal pain/cramps, nausea/vomiting; acne; myalgia; vag bleeding, spotting, discharge; inj site reactions. 3.75 mg & 11.25 mg: Prostate cancer: Bone pain, urinary tract obstruction, hematuria, weakness of lower extremity/paresthesia; anaphylactic reaction, rash, pruritus; hot flushes, diaphoresis, decreased libido, impotence, orchiatrophy, gynecomastia; nausea, vomiting, anorexia, diarrhea; decreased bone mass; abnormal LFT values, usually transient; inj site reaction; headache, edema, dizziness, depression; QT prolongation.