| Side effect | Labetalol | Hydralazine | Test | P-value |
| Headache | 4 (8.0) | 5 (10.0) | 0.803Y | 0.977 |
| Dizziness | 3 (6.0) | 2 (4.0) | ||
| Nausea | 1 (2.0) | 1 (2.0) | ||
| Vomiting | 2 (4.0) | 3 (6.0) | ||
| Palpitations | 1 (2.0) | 3 (6.0) | ||
| None | 39 (78%) | 36 (72.0) | ||
| Total | 50 (100.0) | 50 (100.0) |