Ingested—

Enterobius, Ascaris, Toxocara, Trichinella

Cutaneous—

Strongyloides, Ancylostoma, Necator

Bites—

Loa loa, Onchocerca volvulus, Wuchereria bancrofti

Ancylostoma braziliense

• most common cause of cutaneous larva migrans
• common in Central and Southern America

Strongyloides stercoralis

• acquired percutaneously (e.g. walking barefoot)
• causes pruritus and larva currens - this has a similar appearance to cutaneous larva migrans but moves through the skin at a far greater rate
• abdo pain, diarrhoea, pneumonitis
• may cause Gram negative septicaemia due carrying of bacteria into bloodstream
• eosinophilia sometimes seen
• management: thiabendazole, albendazole. Ivermectin also used, particularly in chronic infections