Sedative drug | Some effects |
İnhalation analgetics | Nitrous oxide |
Narcotics: | Codeine, Hydromorphone Meperidine, Morphine |
Non-narcotics: | Aspirin and NSAIDs can interfere with platelet function resulting in gastric bleeding [18] . Cyclooxygenase inhibitors like rofecoxib, celecoxib appear not to have a significant effect on platelets or INR [18] . Paracetamol in excessive and prolonged administration can enhance warfarin by inhibiting its metabolism; 4 tablets a day for a week significantly affect the INR [18] . Acetaminophen, Pentazocine, Plain Propoxyphene |