1. Ivermectin is the derivatives of abamectin. Ivermectin belongs to oral semisynthetic broad-spectrum drug resistant parasites.
2. Ivermectin has effect for most of the various life cycle nematodes.
3. Ivermectin has effect for the microfilaria of onchocerca volvulus,but it does not has effect for the adult onchocerca volvulus.
4. Ivermectin has effect for dung round worms that is only stay in intestinal tract.
5. Ivermectin has selective inhibition.
6. Ivermectin can not go through the blood brain barrier of humanbeings.