Overactive bladder
Adult: 2.5-5 mg bid-tid. May be increased to max 5 mg 4 times daily if necessary. As extended-release preparation: Initially, 5 mg once daily increased by 5 mg every wk if necessary to max 30 mg daily.
Elderly: Initially, 2.5-3 mg bid increased to 5 mg bid if necessary.
Child: >7 yr for nocturnal enuresis: 2.5-3 mg bid increased if necessary to 5 mg bid-tid. Last dose should be given before bedtime. As extended-release preparation: 5 mg once daily, increased by 5 mg wkly if necessary to max 20 mg daily.
Elderly: Initially, 2.5-3 mg bid increased to 5 mg bid if necessary.
Child: >7 yr for nocturnal enuresis: 2.5-3 mg bid increased if necessary to 5 mg bid-tid. Last dose should be given before bedtime. As extended-release preparation: 5 mg once daily, increased by 5 mg wkly if necessary to max 20 mg daily.
Oral
Neurogenic bladder disorders
Child: >5 years As immediate-release tab: 5 mg bid up to tid. As extended-release tab: 5 mg once daily. May increased to Max 15 mg once daily in 5 mg daily increments.
Transdermal
Overactive bladder
Adult: 1 transdermal system (delivering 3.9 mg per day) applied to dry, intact skin on the abdomen, hip, or buttock twice wkly.