Pimozide (Orap®) is an antipsychotic drug. As it has severe side effects, it is considered a drug of last resort, typically prescribed only after the patient has failed to respond to other medications. The side effects include tardive dyskinesia, neuroleptic malignant syndrome and long QT syndrome.

GoldBamboo

... PIMOZIDE (Orap®) helps to lessen the muscle and speech tics that are caused by Tourette''s syndrome. Pimozide can also treat conditions that may cause you to hear or see things that others do not. Generic pimozide tablets are not yet available. ...
Drug Digest - more...

Pimozide Systematic (IUPAC) name 1-[1-[4,4-bis(4-fluorophenyl)but ...
Wikipedia - [full article]

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