Pharmacology Combination of sulfamethoxazole and trimethoprim is synergistic due to A Enhanced entry into bacteria B Sequential blockade in folate metabolism C Inhibition of drug inactivation enzymes D Inhibition of drug efflux 💡 Explanation Combination of sulfamethoxazole and trimethoprim is synergistic due to ✓ Correct Answer: B. Sequential blockade in folate metabolism