| Purpose | Patients | Evaluations | Perceived Effectiveness |
|---|---|---|---|
| Fibromyalgia | 45,418 | 3,462 | |
| Major depressive disorder | 10,977 | 1,293 | |
| Depressed mood | 2,434 | 1,308 | |
| Generalized anxiety disorder | 2,081 | 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 | 969 | |
| Moderate | 1,074 | |
| Mild | 1,223 | |
| None | 2,085 |