| # | Side effect | Count |
|---|---|---|
| 0 | DRUG INEFFECTIVE | 3037 |
| 1 | CONVULSION | 2501 |
| 2 | DRUG INTERACTION | 2319 |
| 3 | SEIZURE | 2261 |
| 4 | PYREXIA | 2182 |
| 5 | DIZZINESS | 2149 |
| 6 | FALL | 1909 |
| 7 | NAUSEA | 1830 |
| 8 | VOMITING | 1739 |
| 9 | FATIGUE | 1715 |
| # | Side effect | Count | Frequency |
|---|---|---|---|
| 0 | HUMAN HERPES VIRUS 6 SEROLOGY POSITIVE | 80 | 0.3941 |
| 1 | PROMINENT EPICANTHAL FOLDS | 41 | 0.3868 |
| 2 | GASTRIC LAVAGE | 32 | 0.2319 |
| 3 | ANTICONVULSANT DRUG LEVEL INCREASED | 314 | 0.2311 |
| 4 | ANTICONVULSANT DRUG LEVEL ABOVE THERAPEUTIC | 106 | 0.2091 |
| 5 | EPILEPTIC AURA | 33 | 0.1658 |
| 6 | DECREASED EYE CONTACT | 33 | 0.1571 |
| 7 | LYMPHOCYTE MORPHOLOGY ABNORMAL | 72 | 0.1565 |
| 8 | SUDDEN UNEXPLAINED DEATH IN EPILEPSY | 57 | 0.1545 |
| 9 | COMPLEX PARTIAL SEIZURES | 160 | 0.1440 |