| Purpose | Patients | Evaluations | Perceived Effectiveness |
|---|---|---|---|
| Multiple sclerosis | 2,187 | 450 | |
| Fatigue | 1,661 | 749 | |
| Excessive daytime sleepiness (somnolence) | 585 | 387 | |
| Narcolepsy | 528 | 59 | |
| Idiopathic hypersomnia | 148 | 29 |
Common side effects
| Side effect | Patients | Percentage |
|---|---|---|
| Jittery feeling | 56 | |
| Headaches | 53 | |
| Dry mouth | 51 | |
| Anxious mood | 36 | |
| Tachycardia (fast heart rate) | 30 | |
| Irritability | 20 |
Side effect severity
| Severity | Evaluations | Percentage |
|---|---|---|
| Severe | 72 | |
| Moderate | 160 | |
| Mild | 279 | |
| None | 679 |