Table 2 Anatomical Therapeutic Chemical (ATC) Codes Used to Identify PHN Cases in the SIMG Database
| ATC Code | Drug Class | Drugs |
|---|---|---|
| N02A | Opioids | Tramadol |
| N03 | Antiepileptics | Phenytoin |
| Carbamazepine | ||
| Gabapentin | ||
| Pregabalin | ||
| N06A | Antidepressants | Amitriptyline |
| Nortriptyline | ||
| Imipramine | ||
| Desipramine | ||
| N01B | Local | Capsaicin cream |
| anaesthetics | Lidocaine |