Ascaris lumbricoides: Difference between revisions
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==Clinical Features== | ==Clinical Features== | ||
* | *Minor infections are often asymptomatic | ||
* | *More severe infections have variety of manifestations including GI symptoms (abdominal pain, diarrhea, blood in stool, rectal prolapse), malaise, weakness, impaired cognitive / physical development, malnutrition<ref>Wilcox S, Thomas S, Brown D, Nadel E. “Gastrointestinal Parasite.” The Journal of Emergency Medicine, 2007; 33(3):277-280</ref> | ||
===Löffler’s syndrome=== | ===Löffler’s syndrome=== | ||
*Characterized by persistent non-productive [[cough]], [[chest pain]], [[wheezing]], rales, pulmonary infiltrates on CXR and marked [[eosinophilia]] | |||
*Result of Ascaris or hookworm larval transit through the lungs | *Result of Ascaris or hookworm larval transit through the lungs | ||
==Differential Diagnosis== | ==Differential Diagnosis== | ||
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==Management== | ==Management== | ||
*Albendazole 400mg x 1 dose '''OR''' mebendazole 100mg BID x 3 days (both high efficacy) | *[[Albendazole]] 400mg x 1 dose '''OR''' [[mebendazole]] 100mg BID x 3 days (both high efficacy) | ||
==Disposition== | ==Disposition== | ||
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==See Also== | ==See Also== | ||
*[[ | *[[Helminth infections]] | ||
*[[Travel | *[[Travel medicine]] | ||
==External Links== | ==External Links== |
Latest revision as of 03:09, 25 December 2016
Background
- Morbidity is related to number of worms harbored in intestines
Clinical Features
- Minor infections are often asymptomatic
- More severe infections have variety of manifestations including GI symptoms (abdominal pain, diarrhea, blood in stool, rectal prolapse), malaise, weakness, impaired cognitive / physical development, malnutrition[1]
Löffler’s syndrome
- Characterized by persistent non-productive cough, chest pain, wheezing, rales, pulmonary infiltrates on CXR and marked eosinophilia
- Result of Ascaris or hookworm larval transit through the lungs
Differential Diagnosis
Helminth infections
Cestodes (Tapeworms)
- Taenia saginata
- Taenia solium (Cysticercosis)
- Diphyllobothrium latum
- Hymenolepis nana
- Echinococcus granulosus
Trematodes (Flukes)
- Fasciola hepatica
- Fasciolopsis buski
- Opistorchis viverrini
- Schistosoma spp
- Chlonorchis sinensis
- Paragonimus spp.
Nematodes (Roundworms)
- Ascaris lumbricoides
- Enterobius vermicularis (Pinworm)
- Filarial worms
- Hookworm
- Necator americanus
- Ancylostoma duodenale
- Cutaneous larva migrans (Ancylostoma braziliense)
- Dracunculiasis
- Strongyloides stercoralis
- Trichuris trichiura (Whipworm)
- Anisakis
- Toxocara spp.
- Trichinosis
Evaluation
Management
- Albendazole 400mg x 1 dose OR mebendazole 100mg BID x 3 days (both high efficacy)
Disposition
- Generally may be discharged
See Also
External Links
References
- ↑ Wilcox S, Thomas S, Brown D, Nadel E. “Gastrointestinal Parasite.” The Journal of Emergency Medicine, 2007; 33(3):277-280