Side effects and dropout rate between the two treatment groups
| Topiramate | Lamotrigine | P value (<0.05) | |||
| N | % | N | % | ||
| Overall | 15/25 | 60 | 6/28 | 21 | 0.004 |
| Weight loss | 6/25 | 24 | |||
| Transient paresthesia | 9/25 | 36 | |||
| Cognitive symptoms | 7/25 | 28 | 1/28 | 4 | |
| Somnolence | 2/25 | 8 | 1/28 | 4 | |
| Fatigue | 1/28 | 4 | |||
| Rash | 2/28 | 7 | |||
| Dropout due to side effects | 1/25 | 4 | 2/28 | 7 | 0.621 |