Adult 5 mL (1 mg) twice daily (morning & evening).
Patient prone to sedation 2.5 mL (0.5 mg) twice daily for the 1st wk or 5 mL (1 mg) only at night & then increased up to full therapeutic dose. May be increased up to 4 mg (20 mL) in 2 divided dosage.
Childn >2 yr 1 mg (5 mL) twice daily.
Childn prone to sedation 0.5 mg-1 mg at night for the 1st few days.