Usual Adult Dose for Hypertension:
Initial dose: 5 mg orally once a day
Maintenance dose: 10 to 40 mg orally per day as a single dose or in 2 divided doses
Maximum dose: 40 mg orally daily as a single dose or in 2 divided doses
In combination with diuretics:
Initial dose: 2.5 mg orally once a day
If feasible, the diuretic should be discontinued 2 to 3 days prior to initiation of therapy with enalapril. If required, diuretic therapy may be gradually resumed.
Usual Adult Dose for Congestive Heart Failure:
Initial dose: 2.5 mg orally once a day
Maintenance dose: 2.5 to 20 mg daily in 2 divided doses
Maximum dose: 40 mg orally per day in 2 divided doses
Comments:
-Treatment is usually combined with diuretics and digitalis.
-Doses should be titrated upward, as tolerated, over a period of a few days or weeks.
Usual Adult Dose for Left Ventricular Dysfunction:
Initial dose: 2.5 mg orally twice a day
Maintenance dose: 20 mg orally per day in 2 divided doses
Comments:
-After the initial dose, the patient should be observed for at least 2 hours and until blood pressure has stabilized for at least an additional hour.
-If possible, the dose of any concomitant diuretic should be reduced which may diminish the likelihood of hypotension.
Usual Pediatric Dose for Hypertension:
Children 1 month to 17 years:
Initial dose: 0.08 mg/kg/day (up to 5 mg) in 1 to 2 divided doses. Adjust dosage based on patient response.
Maximum dose: Doses greater than 0.58 mg/kg (40 mg) have not been evaluated in pediatric patients.
Comment:
-Not recommended in neonates and in pediatric patients with glomerular filtration rate less than 30 mL/min, as no data are available.
 Detailed Vasotec dosage information
What happens if I miss a dose?
Take the medicine as soon as you can, but skip the missed dose if it is almost time for your next dose. Do not take two doses at one time.
What happens if I overdose?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.
