| Purpose | Patients | Evaluations | Perceived Effectiveness |
|---|---|---|---|
| Pain | 200 | 70 | |
| Fibromyalgia | 79 | 35 | |
| Pain in lower back | 23 | 12 | |
| Back pain | 12 | 4 | |
| Muscle and joint pain | 9 | 3 |
Common side effects
| Side effect | Patients | Percentage |
|---|---|---|
| Constipation | 39 | |
| Slowed thinking | 11 | |
| Slow speech (bradyarthria) | 11 | |
| Itching | 10 | |
| Excessive daytime sleepiness (somnolence) | 9 | |
| Drugged feeling | 8 |
Side effect severity
| Severity | Evaluations | Percentage |
|---|---|---|
| Severe | 23 | |
| Moderate | 45 | |
| Mild | 53 | |
| None | 55 |
Member evaluations
Jwildman96
evaluated on Jun 30, 2004
- Perceived effectiveness for chronic pain: Moderate
- Side effects: Severe
Firerose
evaluated on Nov 20, 2013
- Perceived effectiveness for chronic pain: Major
- Side effects: Moderate
Lisa&3
evaluated on Jun 30, 2012
- Perceived effectiveness for pain: Moderate
- Side effects: Mild