Non-steroidal anti-inflammatory drugs – Muscle relaxants – Analgesics
| Aceclofenac | Dantrolene | Indomethacin | Nabumetone | Tenoxicam |
| Acetaminophen (paracetamol) | Dexketoprofen | Ketodolac | Naproxen | Thiocolchicoside |
| Acetylsalicylic acid (aspirin) | Diclofenac | Meclofenamic acid | Nimesulide | Tizanidine |
| Baclofen | Etodolac | Mefenamic acid | Orphenadrine | Tizanidine |
| Carisoprodol | Etoricoxib | Meloxicam | Oxycodone | Tolfenamic acid |
| Celecoxib | Fentanyl | Metalaxone | Pethidine | Tolmetin |
| Chlorzoxazone | Flavoxate | Methadone | Phenylbutazone | Tramadol |
| Codeine | Flufenamic acid | Methocarbamol | Piroxicam | |
| Cyclobenzaprine | Flurbiprofen | Methocarbamol | Rofecoxib | |
| Cyclobenzaprine | Ibuprofen | Morphine | Sulindac |