Synarel is a prescription medication primarily used in the management of endometriosis, a condition characterized by the growth of endometrial tissue outside the uterus, leading to pain and infertility. It is also indicated for the treatment of central precocious puberty (CPP), a condition where children show signs of puberty sooner than normal. Synarel works as a gonadotropin-releasing hormone (GnRH) agonist, which means it acts on the pituitary gland in the brain to regulate or suppress the production of certain hormones like estrogen and testosterone. By doing so, it helps reduce the symptoms associated with its indicated conditions. Synarel is administered as a nasal spray, offering a non-invasive route of administration compared to injections or oral medications that might require digestion or metabolism before becoming effective.