About flupentixol
Thioxanthene antipsychotic
Used for
- Long-acting treatment of schizophrenia and other psychotic disorders
Usual adult dose
Usually 20–40 mg by deep intramuscular injection every 2–4 weeks; adjusted to response.
Common side effects
- Movement problems, such as stiffness or tremor
- Sleepiness or restlessness
- Dry mouth and constipation
- Weight gain or sexual problems
Important warnings
- May cause tardive dyskinesia, a potentially persistent movement disorder.
- Seek urgent care for fever, severe stiffness, confusion, or irregular heartbeat.
- Use caution with heart disease, seizures, and conditions affecting blood pressure.
- Do not stop ongoing treatment suddenly without medical supervision.
Pregnancy
Use during pregnancy only when clearly needed; exposure near delivery may cause newborn movement or withdrawal symptoms.
Breastfeeding
May pass into breast milk; discuss risks with a clinician before breastfeeding.
Interactions
- Alcohol and sedatives can increase drowsiness.
- Medicines that prolong the QT interval can increase abnormal-heart-rhythm risk.
- Levodopa and other dopamine medicines may work less well.
- Other antipsychotics or medicines affecting movement may increase side effects.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.