Heart failure
Adult: Initially 10-15 mcg/min, may increase by 10-15 mcg/min every 5-10 min according to response. Usual dose range: 10-200 mcg/min. Max: 280 mcg/min.
Intravenous
Hypertensive crisis
Adult: For patients not receiving any antihypertensives, initially 0.3-1.5 mcg/kg/min, adjust gradually according to response. Usual range: 0.5-6 mcg/kg/min. Lower doses should be used in patients receiving antihypertensives. Max rate: 8 mcg/kg/min, discontinue infusion if there is no response after 10 minutes. May continue for a few hours if there is response. Introduce oral antihypertensive as soon as possible.
Elderly: Lower doses may be required.
Elderly: Lower doses may be required.
Intravenous
Induction of hypotension during anaesthesia
Adult: Recommended max dose: 1.5 mcg/kg/min.