| Purpose | Patients | Evaluations | Perceived Effectiveness |
|---|---|---|---|
| Fibromyalgia | 45,418 | 3,466 | |
| Major depressive disorder | 10,978 | 1,293 | |
| Depressed mood | 2,433 | 1,312 | |
| Generalized anxiety disorder | 2,080 | 581 | |
| Myalgic encephalomyelitis/chronic fatigue syndrome | 1,865 | 380 |
Common side effects
| Side effect | Patients | Percentage |
|---|---|---|
| Weight gain | 339 | |
| Nausea | 298 | |
| Decreased sex drive (libido) | 188 | |
| Dry mouth | 176 | |
| Dizziness | 167 | |
| Brain fog | 119 |
Side effect severity
| Severity | Evaluations | Percentage |
|---|---|---|
| Severe | 970 | |
| Moderate | 1,075 | |
| Mild | 1,225 | |
| None | 2,084 |