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Percentage of Adverse Reactions With Calcium Channel Blockers
| Adverse Effect | Nifedipine | Verapamil | Diltiazem |
|---|---|---|---|
| Overall incidence | 17.0 | 8.0 | 4.0 |
| Dizziness or light headedness | 10 | 3.6 | ‐ |
| Peripheral edema | 10 | 1.7 | 2.4 |
| Headache | 10 | 1.8 | 2.0 |
| Flushing or heat sensation | 10 | ‐ | ‐ |
| Transient hypotension | 5 | 2.9 | ‐ |
| Nausea | 10 | 1.6 | 2.7 |
| Constipation | ‐ | 6.3 | ‐ |
| Bradycardia | ‐ | 1.1 | 2.0 |
| Rash | ‐ | ‐ | 1.8 |
| Reprinted with permission from Hypertension. 1988;11(3 pt 2):II42–II44. 4 | |||
