About ziprasidone
Atypical antipsychotic
Used for
- Short-term control of acute agitation associated with schizophrenia in adults
Usual adult dose
10 mg intramuscularly every 2 hours, or 20 mg every 4 hours; maximum 40 mg daily, for up to 3 days.
Common side effects
- Sleepiness or dizziness
- Nausea
- Injection-site pain
- Restlessness
Important warnings
- Can prolong the heart rhythm (QT interval), potentially causing dangerous arrhythmias.
- Avoid with certain heart-rhythm disorders or other medicines that prolong QT.
- May cause low blood pressure, falls, or movement-related side effects.
- Not approved for dementia-related psychosis in older adults.
Pregnancy
May cause newborn movement or withdrawal symptoms when used late in pregnancy; risks and benefits require clinical consideration.
Breastfeeding
May pass into breast milk; effects on a nursing infant are uncertain.
Interactions
- Other medicines that prolong the QT interval
- Medicines affecting the central nervous system, including sedatives
- Medicines that lower blood pressure
- Carbamazepine may reduce ziprasidone levels
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 It may be incomplete or out of date.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.