This product is four imidazole levorotatory, selectively inhibits the worm in the muscle succinate dehydrogenase, makes fumaric acid cannot be reduced to succinic acid, thus affecting the body muscle anaerobic metabolism, reduce the energy generation. When the body comes into contact with, can make the neuromuscular depolarizing muscle contraction, sustained due to paralysis;drug cholinergic effects to body discharge. Its activity is
about four imidazole (racemic)1-2 times, but the side effects is low. In addition, drugs on the body may inhibit microtubule structure. Levamisole and immune regulation and immune function of excitable. On Ascaris lumbricoides, hookworm, pinworm and Strongyloides stercoralis has better curative effect. As this product has high efficiency single dose, is suitable for group therapy. On Wuchereria bancrofti, Brugia malayi and Onchocerca volvulus microfilariae than adults and the activity of diethylcarbamazine is high, but the long-term effect is poor