Oral PRN: 1.5mg–2.5mg
SC stat: 1.5mg–2.5 mg (0.5mg in elderly & frail)
SC 24-hour syringe driver/pump: 1.5mg–5mg
Start at the lowest dose in the range especially in the frail or elderly.
Useful if features of paranoia or psychosis are present. Also useful as an anti-emetic.