About risperdone
Long-acting atypical antipsychotic
Used for
- Schizophrenia
- Maintenance treatment of bipolar I disorder
Usual adult dose
Usually 25 mg intramuscularly every two weeks; dose adjustments may be needed.
Common side effects
- Weight gain
- Sleepiness or dizziness
- Restlessness or movement problems
- Injection-site pain
Important warnings
- Can increase blood sugar, cholesterol, and weight.
- May cause involuntary movements or muscle stiffness.
- Raises risk of falls, especially in older adults.
- Not approved for dementia-related psychosis.
Pregnancy
Use only when needed; late-pregnancy exposure may cause newborn movement or feeding problems.
Breastfeeding
Risperidone passes into breast milk; effects on the infant are possible.
Interactions
- Other medicines causing sleepiness
- Blood-pressure-lowering medicines
- Fluoxetine or paroxetine may raise risperidone levels
- Carbamazepine may lower risperidone 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 It may be incomplete or out of date.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.