Pharmacology Which of the following drug combination is supraadditive A Nitrous oxide + halothane as general anaesthetic B Glibenclamide + metformin as hypoglycaemic C Sulfamethoxazole + trimethoprim D Ephedrine + theophylline as bronchodilator 💡 Explanation Which of the following drug combination is supraadditive ✓ Correct Answer: C. Sulfamethoxazole + trimethoprim