About bipolar Frequently Asked Questions Tell me about Haloperidol Haloperidol (Dozic, Haldol, Haldol Decanoate, Serenace) Haloperidol is an antipsychotic medication used in the treatment of bipolar disorder and it is known by several brand names in the UK: Dozic, Haldol, Haldol decanoate or Serenace. Information relating to its use, dosage and side effects can be found on the website of the National Institute for Care and Health Excellence (NICE) - British National Formulary (BNF) Manage Cookie Preferences