| Clinical signs | Effective | Percentage (%) |
| Headache | 156 | 100 |
| Dizziness | 90 | 57.6 |
| Ringing in the ears | 75 | 48.07 |
| Visual blur | 20 | 12.8 |
| Dyspnea | 19 | 12.1 |
| Palpitation | 15 | 9.6 |
| Vomiting | 9 | 5.7 |
| Edema of the lower limbs | 7 | 4.4 |
| Chest pain | 7 | 4.4 |
| Epigastric pain | 6 | 3.8 |
| Oliguria | 4 | 2.5 |