Haloperidol
Also sold as: Serenace, Haldol
Prescription neededAntipsychotics
Comes as:TabletDropsInjection
Also sold as: Serenace, Haldol
Dose is set by your doctor. Common tablet doses are 0.5 mg to 5 mg two or three times a day. Injections are given only by a health worker.
Your doctor may give you a different dose. Children's doses depend on weight.
Stop taking it and see a doctor straight away if you notice:
Medicines that can react with this one.
Both prolong the QT interval and can cause dangerous heart rhythms.
Haloperidol blocks the effect of levodopa and can worsen Parkinson symptoms.
Together they greatly increase the risk of movement disorders and neuroleptic malignant syndrome.
Both prolong the QT interval; avoid together.
Carbamazepine lowers haloperidol levels, so it may work less well.
Both can prolong the QT interval; heart rhythm should be watched.
Rarely the combination causes confusion and nerve toxicity; watch closely.