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How does prochlorperazine treat schizophrenia?

Prochlorperazine is an antipsychotic drug used to treat schizophrenia. It counteracts some effects of dopamine, a chemical that causes excitement in the brain. People who are diagnosed with schizophrenia tend to have higher levels of dopamine than people who do not have this condition. Prochlorperazine cannot cure schizophrenia, but it can lessen the symptoms. The medication is usually first prescribed with a low dose. The dosage is increased gradually until the symptoms come under better control.

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