| Purpose | Patients | Evaluations | Perceived Effectiveness |
|---|---|---|---|
| Migraine headaches | 20 | 15 | |
| Epilepsy | 7 | 6 | |
| Cluster headaches | 4 | 6 | |
| Headaches | 3 | 1 | |
| Migraine | 2 | 2 |
Common side effects
| Side effect | Patients | Percentage |
|---|---|---|
| Dry mouth | 2 | |
| Fatigue | 2 | |
| Problems concentrating | 2 | |
| Chills | 1 | |
| Clumsiness | 1 | |
| Confusion | 1 |
Side effect severity
| Severity | Evaluations | Percentage |
|---|---|---|
| Severe | 3 | |
| Moderate | 7 | |
| Mild | 6 | |
| None | 7 |