Adults: 1 mg twice daily on day 1; 2 mg twice daily on day 2 and 3 mg twice daily on day 3. Stabilize for 1 week. Further dose adjustment to be done only after 1 week at increments of 1 mg twice daily with maximum dose not to exceed 8 mg/day. If tardive dyskinesia occurs, discontinue risperidone.
Elderly: 0.5 mg twice daily on day 1; increase by 0.5 mg to achieve 1-2 mg twice daily.
Patients may be prone to profound hypotension in the presence of hepatic or renal disease.