Pharmacology Difference between action of DEC and Ivermectin in a case of scrotal filariasis is – A DEC acts more effectively on microfilariae than Ivermectin B DEC acts only on micro filariae and Ivermectin acts only on adults. C DEC acts on both microfilariae and adults while Ivermectin acts on adults only D DEC acts on adults and Ivermection on microfilariae 💡 Explanation Difference between action of DEC and Ivermectin in a case of scrotal filariasis is - ✓ Correct Answer: D. DEC acts on adults and Ivermection on microfilariae