| Purpose | Patients | Evaluations | Perceived Effectiveness |
|---|---|---|---|
| Pain | 836 | 282 | |
| Breakthrough pain | 274 | 86 | |
| Fibromyalgia | 249 | 82 | |
| Back pain | 68 | 16 | |
| Pain in lower back | 38 | 10 |
Common side effects
| Side effect | Patients | Percentage |
|---|---|---|
| Constipation | 64 | |
| Drowsiness | 31 | |
| Nausea | 22 | |
| Dizziness | 13 | |
| Sleepiness | 12 | |
| Lightheadedness | 11 |
Side effect severity
| Severity | Evaluations | Percentage |
|---|---|---|
| Severe | 32 | |
| Moderate | 86 | |
| Mild | 153 | |
| None | 175 |
Member evaluations
kitkat2055
evaluated on Apr 15, 2009
- Perceived effectiveness for muscle pain: Moderate
- Side effects: None
pdog
evaluated on Feb 12, 2009
- Perceived effectiveness for Other: Moderate
- Side effects: Mild
Angeleye43
evaluated on Dec 03, 2008
- Perceived effectiveness for pain in lower back: Moderate
- Side effects: Mild