Bromocriptine should not be used to stop breast milk production in women who have had an abortion or stillbirth or who have chosen not to breast-feed; bromocriptine may cause serious or fatal adverse effects in these women. Risperidone is used to treat the symptoms of schizophrenia (a mental illness that causes disturbed or unusual thinking, loss of interest in life, and strong or inappropriate emotions) in adults and teenagers 13 years of age and older. View our glossary of terms related to pituitary disorders. Pituitary Tumors. Medically reviewed on Feb 12, 2019. Health Guide; What Is It? The pituitary gland is a pea-sized structure that is attached to the undersurface of the brain by a thin stalk. And; Prescription drugs such as bromocriptine (parlodel, bromergon) and cabergoline (dostinex) which are meant to resolve this problem are quite expensive, often come with various side effects and may sometimes not provide the expected solution Blocked ducts or mastitis. If you are stopping breastfeeding quickly be aware that an overfull breast can develop blocked milk ducts or mastitis if not treated quickly. High levels or the hormone prolactin can interfere with ovulation and fertility. Accurate testing of prolactin is essential. Determining the cause is also. Before taking this medicine. You should not use this medication if you are allergic to Parlodel or to an ergot medicine (Ergomar, Cafergot, Migergot, D.H.E. 45, Migranal, Methergine). Risperidone (Risperdal), is in a class of medications called atypical antipsychotics. It works by changing the activity of dopamine and other naturally occurring chemicals in the brain. A prolactinoma is a benign tumor of the pituitary gland. Prolactinomas cause secretion of the hormone prolactin, which stimulates the breast to produce milk.