Women w/ signs & symptoms of active allergic conditions or known history of allergic predisposition. Possible reduction in bone mineral density. Patients w/ additional risk factors of osteoporosis [eg, chronic alcohol abuse, smokers, long-term therapy w/ bone mineral density-reducing drugs (eg, anticonvulsants or corticoids), family history of osteoporosis, malnutrition]. May reveal presence of previously unknown gonadotroph cell pituitary adenoma; patients may present w/ pituitary apoplexy characterised by sudden headache, vomiting, visual impairment & ophthalmoplegia. Increased risk of incident depression. Closely monitor patients w/ known depression during therapy. Confirm if patient is not pregnant before prescribing triptorelin. Possible increased risk of multiple & ectopic pregnancies, pregnancy loss & congenital malformations. May increase risk of ovarian hyperstimulation syndrome (OHSS) & ovarian cysts. Monitor symptoms of severe OHSS cases (eg, abdominal pain & distension, severe ovarian enlargement, wt gain, dyspnoea, oliguria & GI symptoms including nausea, vomiting & diarrhoea); clinical evaluation may reveal hypovolaemia, haemoconcentration, electrolyte imbalances, ascites, haemoperitoneum, pleural effusions, hydrothorax, acute pulmonary distress & thromboembolic events. Monitor patients for at least 2 wk after hCG administration. Discontinue treatment if severe OHSS occurs. Higher risk of OHSS w/ use of GnRH agonists in combination w/ gonadotrophins. Ovarian cysts may occur during initial phase of treatment w/ GnRH agonist. Renal or hepatic impairment. Carefully examine potentially fertile women prior to treatment to exclude pregnancy. No relevant use in paed population.