Serenace Haloperidol Injection ₹ 50 / Piece Get Latest Price Product Brochure Strength 5 mg Packaging Size 1 ml Packaging Type Vial Prescription/Non prescription Prescription Brand Serenace Shelf Life 24 months Country of Origin Made in India Serenace injection contains 5ml of haloperidol. It is an antipsychotic medicine, which blocks the action of dopamine. Dopamine is a chemical substance in the brain that is responsible for thoughts and. By blocking dopamine, serenace helps treat symptoms like psychosis, delusions, hallucinations, anxiety.