HTNAdult Initially 12.5-25 mg 2-3 times daily. May increase to 50 mg 2-3 times daily after 2 wk if BP is not lowered sufficiently. Max: 150 mg daily. Severe HTN Max: 450 mg daily. Heart failure 12.5-25 mg 3 times daily.
Should be taken on an empty stomach: Take 1 hr before or 2 hr after meals.