Chlorpromazine
Also sold as: Largactil
Prescription neededAntipsychotics
Comes as:TabletSyrupInjection
Usual adult dose
Dose is set by your doctor. For mental illness, common doses are 25 mg to 100 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.
Side effects
Common
- drowsiness
- dizziness on standing up
- dry mouth
- constipation
- stiffness or shaking
- skin burns easily in the sun
Serious — get help
Stop taking it and see a doctor straight away if you notice:
- high fever with stiff muscles and confusion
- yellow eyes or skin
Do not take it, or take care, if
- Coma or severe drowsiness from alcohol or other medicines
- Parkinson's disease
- Older people with dementia
- Liver disease (use with caution)
- Epilepsy, glaucoma or enlarged prostate (use with caution)
Interactions
Medicines that can react with this one.
Serious2 medicinesDo not take these together unless your doctor says so.
- Amiodarone
Both prolong the QT interval and can cause dangerous heart rhythms.
- Levodopa + Carbidopa