Physical illness, organic mental conditions, agitated depression, character pathologies, etc. Help us answer these What happens if you snort Prochlorperazine?Can online prochlorperazine you take Tylenol with Prochlorperazine Maleate?Can 10 year old take prochlorperazine maleate buccal? Post question any question to the WikiAnswers community: Copyrights: Drug Info. An encephalopathic syndrome characterized by weakness, lethargy, fever, tremulousness and confusion, extrapyramidal symptoms, leukocytosis, elevated serum enzymes, BUN and FBS has occurred in few patients treated with lithium plus an antipsychotic. Symptoms of prochlorperazine overdose include uncontrollable movements, agitation, seizures, severe dizziness or fainting, coma, deep sleep, irregular heartbeats, and high or low body temperature. If white blood cell and differential counts indicate leukocyte depression, stop treatment and start antibiotic and other suitable therapy. This information is not intended as individual medical advice and does not substitute for the knowledge and judgment of your health care professional. However, it is known that the drug blocks or lessens the effects of dopamine, chemical in the brain.