LEVOMEPROMAZINE DRUG NAME CLASSIFICATI ON/ MECHANISM OF ACTION INDICATIO N CONTRAINDI CATION SIDE EFFECT/ ADVERSE EFFECT BRAND NAME: Nozinan Methotrimeprazin e's antipsychotic effect is largely due to its antagonism of dopamine receptors in the brain. In addition, its binding to 5HT2 receptors may also play a role. For the treatment of psychosis, particular those of schizophrenia, and manic phases of bipolar disorder. Comatose state, CNS depression, blood dyscrasia, phaeochromocyt oma, history of agranulocytosis. This medication may increase a certain natural substance (prolactin) made by the body. For females, this increase in prolactin may result in unwanted breast milk, missed/stopp ed periods, or difficulty becoming pregnant. For males, it may result in decreased sexual ability, inability to produce sperm, or enlarged breasts. If you develop any of these symptoms, tell your doctor right away. GENERIC NAME: Levomepro mazine This medication may rarely cause a very serious condition called neuroleptic malignant syndrome (NMS). Get medical help right away if you have any of the following symptoms: Fever muscle stiffness/ pain/tend erness/w eakness severe tiredness severe confusio n Sweatin fast/irreg ular heartbea dark urine signs of kidney problems (such as change in the amount of urine)