Prochlorperazine edisylate is primarily used in the medical field for its antipsychotic and antiemetic properties. It is commonly prescribed to manage severe nausea and vomiting, particularly in situations such as surgery, chemotherapy, or migraine episodes. Additionally, it is effective in treating symptoms of schizophrenia and other psychotic disorders by helping to balance certain chemicals in the brain. Its calming effects also make it useful in managing anxiety and agitation in certain clinical settings. The medication is typically administered via injection for rapid action in acute conditions.