| | P - Antiparasitic Products, Insecticides and Repellents |  | The group is subdivided according to types of parasites.
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| | P02 - Anthelmintics |  | The anthelmintics are subdivided according to the main type of worms (i.e. trematodes, nematodes and cestodes) causing the infections.
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| | P02C - Antinematodal Agents |  | This group comprises drugs mainly used for nematode infections.
 |  | The DDDs are based on the treatment of different nematode infections e.g. ascariasis (roundworm) and hookworm infections.
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| | P02CA - Benzimidazole Derivatives |  |  | 
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