Table 2.
Patient interaction matrix (0 = no interaction; 3 = severe interaction).
| Drugs | Amitriptyline | Betamethasone | Cetirizine | Citalopram | Clarithromycin | Codeine | Diclofenac | Hydroxyzine | Omeprazole | Promethazine | Quinine | Sildenafil |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Amitriptyline | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Betamethasone | 0 | 0 | 0 | 3 | 3 | 0 | 3 | 3 | 0 | 0 | 3 | 3 |
| Cetirizine | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Citalopram | 0 | 3 | 0 | 0 | 3 | 0 | 0 | 3 | 3 | 0 | 3 | 3 |
| Clarithromycin | 0 | 3 | 0 | 3 | 0 | 0 | 0 | 3 | 0 | 0 | 3 | 3 |
| Codeine | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Diclofenac | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Hydroxyzine | 0 | 3 | 0 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 3 | 3 |
| Omeprazole | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Omeprazole | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Quinine | 0 | 3 | 0 | 3 | 3 | 0 | 0 | 3 | 0 | 0 | 0 | 3 |
| Sildenafil | 0 | 3 | 0 | 3 | 3 | 0 | 0 | 3 | 0 | 0 | 3 | 0 |