| Purpose | Patients | Evaluations | Perceived Effectiveness |
|---|---|---|---|
| Fibromyalgia | 39,499 | 2,578 | |
| Myalgic encephalomyelitis/chronic fatigue syndrome | 1,893 | 393 | |
| Pain | 1,576 | 782 | |
| Generalized anxiety disorder | 791 | 202 | |
| Nerve pain (neuralgia) | 560 | 253 |
Common side effects
| Side effect | Patients | Percentage |
|---|---|---|
| Weight gain | 645 | |
| Dizziness | 224 | |
| Blurry vision | 149 | |
| Fatigue | 148 | |
| Brain fog | 142 | |
| Problems concentrating | 122 |
Side effect severity
| Severity | Evaluations | Percentage |
|---|---|---|
| Severe | 921 | |
| Moderate | 939 | |
| Mild | 792 | |
| None | 887 |