Post-herpetic neuralgia | Painful diabetic neuropathy | Phantom limb pain | Neuropathic back pain | |
---|---|---|---|---|
Total a (% of cohort) | 4,725 (79.8) | 4,317 (80.1) | 153 (82.7) | 78,693 (86.5) |
Number with a treatment (% total in analysis) | 3,831 (81.1) | 3,513 (81.4) | 90 (58.8) | 78,417 (99.6) |
Duration of treatment (days), mean (±SD) b | 48 (115) | 121 (229) | 63 (86) | 89 (229) |
Items prescribed on initial prescription as% of those treated | ||||
1 item | 65.0 | 82.4 | 73.3 | 63.0 |
2 items | 28.7 | 15.1 | 20.0 | 28.6 |
3 or more items | 6.4 | 2.5 | 6.7 | 8.4 |
Five most common medications included in first-line treatment regimens, n (% treated) | ||||
1 | amitriptyline | amitriptyline | gabapentin | tramadol |
1509 (39.4) | 1362 (38.8) | 22 (24.4) | 26,778 (34.1) | |
2 | co-codamol | gabapentin | amitriptyline | amitriptyline |
754 (19.7) | 539 (15.3) | 19 (21.1) | 17,093 (21.8) | |
3 | capsaicin | co-codamol | paracetamol | co-codamol |
328 (8.6) | 332 (9.5) | 12 (13.3) | 16,198 (20.7) | |
4 | gabapentin | pregabalin | pregabalin | paracetamol |
327 (8.5) | 315 (9.0) | 12 (13.3) | 6750 (8.6) | |
5 | co-dydramol | paracetamol | tramadol | co-dydramol |
293 (7.6) | 264 (7.5) | 7 (7.8) | 5320 (6.8) |