| Adverse event | Number (%) |
| Headache | 8 (17.0) |
| Conjunctivitis | 2 (4.3) |
| Eye irritation | 2 (4.3) |
| Urinary tract infection | 2 (4.3) |
| Total | 34 (100) |
| Related to drug treatment | 5 (14.7) |
| Mild | 31 (91.2) |
| Moderate | 3 (8.8) |
| Severe | 0 (0) |