| Purpose | Patients | Evaluations | Perceived Effectiveness |
|---|---|---|---|
| Insomnia | 1,231 | 757 | |
| Fibromyalgia | 1,103 | 654 | |
| Pain | 1,064 | 637 | |
| Peripheral neuropathy | 742 | 98 | |
| Spinal cord injury | 240 | 6 |
Common side effects
| Side effect | Patients | Percentage |
|---|---|---|
| Dry mouth | 185 | |
| Weight gain | 129 | |
| Drowsiness | 97 | |
| Sleepiness | 64 | |
| Excessive daytime sleepiness (somnolence) | 51 | |
| Grogginess | 51 |
Side effect severity
| Severity | Evaluations | Percentage |
|---|---|---|
| Severe | 289 | |
| Moderate | 430 | |
| Mild | 580 | |
| None | 769 |