Pharm
Intravenous Antihypertensive
search
Intravenous Antihypertensive
, IV Antihypertensive
See Also
Hypertension Management for Specific Emergencies
Hypertensive Encephalopathy
(
PRES
)
Precautions
IV Antihypertensive use in non-cardiac related adult hospitalizations is associated with HARM
Acute Kidney Injury
(RR 1.5)
Myocardial injury (RR 2)
Inpatient mortality (RR 2)
Increased risk of
Cerebrovascular Accident
Higher risk of escalation to ICU care
Associated with prolonged hospital length of stay
Kondrad (2025) Am Fam Physician 112(1): 81-2 [PubMed]
Preparations
Calcium Channel Blocker
s
Nicardipine
Start: 5 mg/hour
Maximum: 15 mg/hour
Titrate
Increase by 2.5 mg/hour every 5-15 minutes until
Blood Pressure
goal reached or maximum reached (15 mg/hour)
Once goal
Blood Pressure
achieved, titrate down towards 3 mg/hour as long as
Blood Pressure
is controlled
Exercise
caution when titrating dose in renal
Impairment
Transitioning from IV
Nicardipine
to oral agents
Administer oral
Antihypertensive
1 hour after discontinuing IV infusion
Clevidipine
Start: 1-2 mg/hour IV infusion
Titrate: Double dose (as often as every 90 seconds, then every 5-10 min) until approaching target
Blood Pressure
Blood Pressure
drops 2-4 mmHg for every 1-2 mg/h
Target
Typical maintenance dose 4-6 mg/h
Half of maximal effect reached at 10 mg/h
Maximum
Typical maximum dose 16 mg/h
Absolute maximum dose 32 mg/h
Medications
Direct Acting Vasodilator
s IV
Hydralazine
(
Apresoline
)
Dose: 10-40 mg IV/IM q4-6h
Diazoxide
(
Hyperstat
)
Dose: 1-3 mg/kg up to 150 mg IV q5-15 min
Nitroprusside
Sodium
(
Nipride
)
Nitroglycerin Drip
Medications
Beta Blocker
s IV
Esmolol
(
Brevibloc
)
Half-Life
: 9 minutes
Preparation: 5g in 500 ml (10 mg/ml)
Load: 500 ug/kg over 1 minute (70 kg: 35 mg, 3.5 ml)
Infusion: 50-200 ug/kg/min IV (70 kg: 40 ml/h)
Labetalol
(
Trandate
)
Start: 20 mg IV
Titrate: 40-80 mg every 10 min up to 300 mg
Metoprolol
(
Lopressor
)
Start: 5 mg increments IV
Titrate: 5 mg IV q5-15 minutes to maximum of 15 mg
Medications
ACE Inhibitor
s IV
Enalapril
(
Vasotec
)
Dose: 1.25 mg IV q6h
Type your search phrase here