Number (%) patients with adverse events occurring at least 5% more often with galantamine than with placebo
| Adverse event | Placebo (n=125) | Galantamine (n=261) |
| Nausea | 14 (11.2) | 84 (32.2) |
| Dizziness | 5 (4.0) | 39 (14.9) |
| Vomiting | 5 (4.0) | 38 (14.6) |
| Anorexia | 3 (2.4) | 31 (11.9) |
| Somnolence | 1 (0.8) | 20 (7.7) |
| Abdominal pain | 2 (1.6) | 18 (6.9) |
| Agitation | 1 (0.8) | 16 (6.1) |
| Any adverse event | 79 (63.2) | 225 (86.2) |