An Antipsychotic is a class of medication used in psychiatry to manage psychotic symptoms such as delusions, hallucinations and disordered thinking that are frequently associated with schizophrenia and bipolar disorder. First introduced in the 1950's, and also known as neuroleptics, the ones known as "typical" antipsychotics work by blocking dopamine receptors. The "atypical" antipsychotic drugs that were first introduced in the 1970's also block serotonin receptors.

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