Mild to moderate HTN Initially 1 mg once daily. May be increased to 2 mg after 1-2 wk. Thereafter titrate upwards, if necessary, balancing therapeutic benefit. Max: 16 mg/day.
Benign prostatic hyperplasia w/ or w/o HTN Initially 1 mg once daily. May be increased to 2, 4 or max of 8 mg once daily at intervals of 1-2 wk.
Both indications 2-4 mg once daily.