To determine the classification of drugs for worms, you must first enter the concept of the types of worms. Parasites are also classified by the http://canadaonpharm.com/buy-dapoxetine-online/habitat in the human body as intestinal and extraintestinal. Helminthiasis is the common name for the destruction of the human body by parasites, such as: roundworms - nematodes; flat - trematodes; tape - cestodes.