It also inhibits the metabolism of carbohydrates in the body of parasites, which blocks the synthesis of ATP. Braking enzyme of acetylcholinesterase, it affects the neuromuscular sys­tem of the parasite, it causes contraction of muscles and paralysis leading to death. Levamisole hydrochloride – levoisomer, belongs to the group of imidazole and is biologically active derivative of tetramisole, is safer than tetramisole. АТС vet QP52A, anti-distomiasis, anti-nematodosis and anti-cestodiasis veterinary drugs (QP52AE01, le­vamisole). Plastic Containers, laminated paper bags, polyethylene bags of 10 g, 25 g, 50 g, 100 g, 500 g, 1000 g.ĭESCRIPTION. The powder of white or slightly yellow color. 1 g of powder contains the active sub­stance: levamisole hydrochloride – 80 mg.