Risperidone
A second-generation atypical antipsychotic that acts on dopamine and serotonin receptors.
Dosage by Body Weight
Dosed very low (0.25 mg) and increased slowly. Monitor for weight gain and metabolic changes.
- Body Weight
- 15-20 kg
- Dose
- 0.25 mg to 0.5 mg
- Frequency
- Once or twice daily
- Tracking Notes
- Use for managing severe aggression or self-injury in autism.
| Body Weight | Dose | Frequency | Tracking Notes |
|---|---|---|---|
| 15-20 kg | 0.25 mg to 0.5 mg | Once or twice daily | Use for managing severe aggression or self-injury in autism. |
Formulation
Purpose
Antipsychotic used for irritability in autism, bipolar disorder, and schizophrenia.
Generic Name
RisperidoneBranded Drug Names
Risperidone is listed as a generic drug name. Common branded medicines that may contain the same active ingredient include:
Scheduled Drug
Yes. This medicine should be supplied or used only according to applicable prescription and regulatory requirements.
Alternatives
Safety Advice
Alcohol
UNSAFERisperidone: Alcohol can worsen drowsiness, mood changes, impaired judgment, or heart rhythm effects. Avoid alcohol unless your prescriber confirms it is safe.
Pregnancy
CAUTIONRisperidone: Use in pregnancy only when prescribed after weighing mental health benefits and medicine-specific risks.
Breast Feeding
CAUTIONRisperidone: May pass into breast milk. Use while breastfeeding only with specialist guidance and infant monitoring.
Driving
CAUTIONRisperidone: May cause sleepiness, dizziness, slowed reaction time, or concentration changes. Avoid driving if affected.
Liver
CAUTIONRisperidone: Use caution in liver disease because several psychiatric or sedating medicines are processed by the liver.
Kidney
CAUTIONRisperidone: Kidney disease may require monitoring or dose adjustment for some medicines in this group.