Inhibitor injection is a drug used to treat true precocious puberty in children, mainly gonadotropin-releasing hormone analogs. This drug is used to inhibit the function of the hypothalamus in the hypothalamic-pituitary-gonadal axis to treat precocious puberty in children, delaying premature puberty development and providing conditions for growth hormone to work. The following side effects may occur during the use of this drug: 1. Vaginal bleeding: Because the inhibitor injection is mainly a gonadotropin-releasing hormone analogue, a transient increase in estrogen may occur within the first few days of injection The side effects may include Girls may show retreating vaginal bleeding, this phenomenon will generally disappear after continuous use of the drug, there is no need to worry; 2, allergy: exogenous drugs may cause allergic symptoms at the injection site, such as redness, swelling, itching, etc., which can generally be alleviated by reducing the dosage or using anti-allergy drugs; 3, obesity: because the inhibitory needle inhibits the secretion of sex hormones, the reduction of estrogen may The reduction of estrogen may lead to weight gain in children; 4, developmental stagnation: Generally, a few people will experience developmental stagnation after using the inhibitor injection, because the purpose of drug treatment is to delay development. Therefore, you can stop the use of drugs when you reach the established age and resume normal development as prescribed by your doctor. In general, the side effects of suppressive injections are generally not serious and usually return to normal after discontinuation of the drug. It is also important to note that the drug needs to be used on a regular basis and in accordance with medical advice, so as not to use it at your own discretion.