Donresp-4 is a prescription antipsychotic medicine containing risperidone USP 4 mg per tablet. Donresp-4 is used to treat schizophrenia and manic or mixed episodes of bipolar I disorder. Risperidone is also used for severe irritability associated with autism in selected children and adolescents, although the 4 mg tablet is not appropriate for routine autism-related dosing.

It helps manage hallucinations, unusual beliefs, disturbed thinking, extreme mood changes, and agitation. Donresp-4 is manufactured by Cell Laboratories (Pvt.) Ltd. and comes in a pack of 10 tablets. It must be used under medical supervision.