AntipsychoticPrescription only

Risperidone

Tablet

Quick Summary

Risperidone balances brain chemicals such as dopamine and serotonin.

Schizophrenia
Bipolar mania
Severe aggression

Medical Uses

Schizophrenia: Treatment.
Bipolar mania: Short-term.
Severe aggression: In some conditions.

How it's taken

Take regularly as prescribed. Don't stop without your doctor's advice.

Your doctor decides the right dose for you and how long to take it.

Your doctor decides the right dose for you. Follow their instructions and the label.

Common Side Effects

Drowsiness

Common with some.

Weight gain

Common with some.

Restlessness or stiffness

Sometimes.

Interactions

Alcohol and sedatives

More drowsiness.

Some heart medicines

Rhythm risk.

Critical Warnings

Diabetes and weight

Black Box Warning: Can raise blood sugar, cholesterol and weight; regular checks needed.

Movement problems

Report stiffness, tremor or unusual movements.

Drowsiness

Don't drive or use machines if it makes you sleepy, and avoid alcohol.

Sources and further reading

Last updated 21 October 2026. For more detail, see these trusted health organisations.

Related Topics

Schizophrenia