Worms and Hygiene Flashcards
What causes red skin and excoriated around the anus and small white threads?
Enterobius vermicularis (threadworms)
What is the prevalence of threadworm?
20%
affects children <10
How is threadworm transmitted?
Hand-mouth transmission
Prophylaxis of threadworm?
Hygiene, washing hands before and after meals with soap
Washing sheets and towels at high temperature
Tight-fitting pants could lead to an urethra infection
Common symptoms of threadworm?
- intense anul itching
- long term infestation (can get re-infestations if not treated properly)
Treatment of threadworm?
-mebendazole chewable tablet, family treatment (1 tablet but can repeat the dose after a couple weeks)
Effects of long term infestation
weight loss
concentration
reduce appetite
Cause of itchy feet, red tracks between toes and on ankle, and a tickly cough?
strongyloids stercoralis (treadworm)
Common symptoms of strongyloids stercoralis?
pruritus ‘larva currens’: worms bury into skin after contact and can travel in blood vessels to other parts of body
hyperinfestation syndrome, worm rapidly grows and breads rare only in those immunocompromised
starts to cause a cough which causes the worm to be swallowed = reinfestation
60% of infestations are asymptomatic
How do you prevent treadworm?
how do you prevent strongyloids stercoralis wear shoes (ground infestation) avoid walking in areas raw sewage has been used
Treatment for treadworm?
Ivermectin; unlincensed IV vet medicine
Albenazole; eye worm
losing weight for 2 months since returning from Africa
ate local meat which looked a bit uncooked - CAUSE?
taenia species (cestode) = tapeworm
Common symptoms of tapeworm?
Usually asymptomatictaeniasis - GI disturbances; diarrhoa and discomfort weight loss - used illegally neurocysticerosis (larvae sacks) - severe fitting, epilepsy, necrosis and death echinococcosis - cysts within the liver
How do you prevent tapeworm?
Avoid raw meat
Make sure meat is from a safe source
Treatment of tapeworm?
praziquantel or single dose nicosamide
often co-prescribed with a laxative to help pass out the tapeworm more effectively
also with a antiemetic as if you sick up a worm you will swallow it again and cause re-infesation