Active pharmaceutical ingredients included in the study by therapeutic group
| Therapeutic category | Active pharmaceutical ingredients | |
| 1 | Antibiotics | Cefadroxil |
| 2 | Doxycycline | |
| 3 | Antidepressants | Clomipramine |
| 4 | Antiepileptics | Clonazepam |
| 5 | Antihypertensives | Losartan |
| 6 | Verapamil | |
| 7 | Antithrombotics | Acenocoumarol |
| 8 | Antithyroids | Levothyroxine |
| 9 | Antiretrovirals | Zidovudine |
| 10 | Corticosteroids | Prednisone |
| 11 | Hypoglycaemics | Metformin |
| 12 | Hypolipidemic agents | Atorvastatin |
| 13 | Immunosuppressants | Ciclosporin |
| 14 | Mycophenolate | |
| 15 | Tacrolimus | |
| 16 | Non-steroidal anti-inflammatory drugs | Ketoprofen |