| Purpose | Patients | Evaluations | Perceived Effectiveness |
|---|---|---|---|
| Fibromyalgia | 45,410 | 3,463 | |
| Major depressive disorder | 10,964 | 1,272 | |
| Depressed mood | 2,424 | 1,309 | |
| Generalized anxiety disorder | 2,082 | 584 | |
| Myalgic encephalomyelitis/chronic fatigue syndrome | 1,867 | 382 |
Common side effects
| Side effect | Patients | Percentage |
|---|---|---|
| Weight gain | 340 | |
| Nausea | 299 | |
| Decreased sex drive (libido) | 189 | |
| Dry mouth | 176 | |
| Dizziness | 168 | |
| Brain fog | 119 |
Side effect severity
| Severity | Evaluations | Percentage |
|---|---|---|
| Severe | 969 | |
| Moderate | 1,072 | |
| Mild | 1,227 | |
| None | 2,057 |