| Drug | Initial dosage (mg) | Targeted dosage | Maximal dosage | Hours until peak effect on blood pressure |
|---|---|---|---|---|
| Captopril (Capoten) | 6.25 to 12.5 | 50 mg three times daily | 100 mg three times daily | 1 to 2 |
| Enalapril (Vasotec) | 2.5 to 5 | 10 mg twice daily | 20 mg twice daily | 4 to 6 |
| Fosinopril sodium (Monopril) | 5 to 10 | 20 mg daily | 40 mg daily | 2 to 6 |
| Lisinopril (Zestril) | 2.5 to 5 | 20 mg twice daily | 40 mg twice daily | 2 to 6 |
| Quinapril (Accupril) | 5 to 10 | 20 mg twice daily | 40 mg twice daily | 2 to 4 |
| Ramipril (Altace) | 1.25 to 2.5 | 5 mg twice daily | 10 mg twice daily | 4 to 6 |