- Flatworms (platyhelminths)
- Flukes (trematodes)
- Schistosoma spp. (blood flukes)
- Clonorchis (liver fluke)
- Paragonimus (lung fluke)
- Fasciola hepatica (intestinal fluke)
- Tapeworms (cestodes)
- Intestinal tapeworms
- Larval tapeworms
- Echinococcus granulosus (hydatid worm)
- Echinococcus multilocularis (alveolar hydatid disease)
- Cysticercus (larvareal Taenia solium)
- Roundworms (nematodes)
- Intestinal roundworms
- Ascaris lumbricoides (great roundworm)
- Necator americanus (New World hookworm)
- Ancylostoma duodenale (Old World hookworm)
- Strongyloides stercoralis (threadworm)
- Trichuris trichuria (whipworm)
- Enterobius vermicularis (pinworm)
- Tissue roundworms
- Onchocerca volvulus (river blindness)
- Loa loa (eye worm)
- Wucheria bancrofti (lymphatic filariasis)
- Dracunculus medinensis (Guinea worm)
- Trichinella spiralis (pork worm)
- Ancylostoma braziliense and other spp. (cutaneous larva migrans, creeping eruption)
- Toxocara canis and Toxocara cani (visceral larva migrans)
- Baylisascaris procyonis
Investigations
- Eosinophilia seen in tissue-invasive worms, not in those that live in the gut or in cystic structures
