HSS 1100 Lecture Notes - Lecture 10: Anthelmintic, Candling, Snai1

• School: University of Ottawa
• Department: Health Sciences
• Course: HSS 1100
• Professor: Franco Pagotto

Document Summary

More of a nuisance than a clinical issue. Up to 50% of children in north america. More of a nuisance than a health problem. Symptoms: mild infection of caecum/colon, may cause itching (pruritus ani) leading to disturbed sleep, irritability, scratching may cause secondary infections. Diagnosis/treatment: scotch-tape test of perianal area, microscopic identification of eggs; adult female worms may also be present (8-13mm, drug of choice is pyrantel pamoate can be treated. Control: personal hygiene education for children (wash hands, discourage scratching, nail biting, frequent bathing; regular change of underclothing, pajamas, and bedding. Small roundworm found worldwide in many carnivorous and omnivorous animals, including humans. Transmitted through ingestion of larvae in raw or poorly cooked meat (pork) Survives as adult in small intestine; as larvae encysted in striated muscle. Trichinella spiralis (domestic form: humans, swine, rats (responsible for endemicity) - horses! (probably fed animal products as supplement) Trichinella nativa (sylvatic or wild form: humans, bears, wild boar, wolf, fox, walrus, etc.