Prochlorperazine Mesilate We have found the Brand name of Prochlorperazine Mesilate. Currently, 4 brands available by this Prochlorperazine Mesilate.List of Brands for Prochlorperazine Mesilate MedicationStemetil (Injection) 12.5 mg/mlProchlorperazine MesilateSynovia Pharma PLC.Promtil (Syrup) 5 mg/5 mlProchlorperazine MesilateSquare Pharmaceuticals PLCVergon (Injection) 12.5 mg/mlProchlorperazine MesilateOpsonin Pharma Ltd.Melatil (Injection) 12.5 mg/mlProchlorperazine MesilateG. A. Company Ltd.