| Purpose | Patients | Evaluations | Perceived Effectiveness |
|---|---|---|---|
| Back pain | 4 | 2 | |
| Failed back syndrome | 1 | 1 | |
| Myalgia | 1 | 1 |
Common side effects
| Side effect | Patients | Percentage |
|---|---|---|
| Constipation | 1 |
Side effect severity
| Severity | Evaluations | Percentage |
|---|---|---|
| Severe | 0 | |
| Moderate | 0 | |
| Mild | 1 | |
| None | 1 |