Worm Infestations 1
Transcript of Worm Infestations 1
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Worm Infestations
Ankylostoma duodenale
Ascaris lumbricoides
Enterobius vermicularis
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Ankylostoma duodenale
Public Health Importance About one billion infected
Most common cause of IDA worldwide Loss of productivity
Malnutrition and Growth retardation
in children
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Mode of Transmission
Direct contact with contaminated soil
Contamination of water with soil
Eatin contaminated produce
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!ins " !ymptoms
Asymptomatic
Itchin
#ash
Anemia
Abdominal pain
Diarrhea
Loss of appetite $eiht loss%
!tunted physical and mental development
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&revention
Clean drinkin water
'ihtsoil use in farmin(
$earin of shoes
Chemoprophyla)is
!anitary disposal of human e)creta
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Treatment
Albenda*ole%
+#
Mebenda*ole +#
&yrantel pamoate
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A!CA#I! L,M-#IC+IDE!
Most common human worm infection%
Common in tropical and subtropical
areas
Children infected more often than
adults
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Mode of Transmission
Contamination of produce via infected
fertili*ers
Contamination of water supplies
Accidental inestion of infective
ascarid es
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!ins " !ymptoms
Abdominal pain and intestinal
obstruction%
!ymptomatic occlusion of the biliary
tract
+ral e)pulsion%
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!ins " !ymptoms
Couh.
Dyspnea.
/emoptysis.
Eosinophilic pneumonitis 0 Loeffler1s
syndrome2% Liht infection often asymptomatic
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&revention
Avoid contactin soil that may be contaminated
with human feces%
Avoidin fertili*ation with raw human sewae
Do not defecate outdoors%
Dispose of child1s stools3diapers properly%
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&revention
$ash hands with soap and water before
handlin food%
Avoid water or food that may be contaminated%
$ash. peel or cook all raw veetables and fruits
before eatin%
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Treatment
Albenda*ole
Mebenda*ole
&yrantel pamoate%
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E'TE#+-I,! 4E#MIC,LA#I!
$orldwide distribution
Infections more fre5uent in school0 or
preschool0 children
Crowded conditions
Commoner in temperate than tropical
countries
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Mode of Transmission
!elf0infection
/andlin of contaminated clothes or
bed linens
!urfaces in the environment that are
contaminated with pinworm es
Airborne and inhaled
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!ins " !ymptoms
&erianal pruritus
Anore)ia.
Irritability
Abdominal pain%
4ulvovainitis &elvic or peritoneal ranulomas
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&revention
-athe to help reduce the e contamination%
6re5uent chanin of niht clothes are
recommended%
Chane clothes. and sheets after each
treatment%
+pen blinds or curtains in bedrooms durin the
day%
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&revention
&ersonal hyiene should include washin hands
after oin to the toilet. before eatin and after
chanin diapers%
Trim finernails short%
Discourae nail0bitin
Treatment7 &yrantel pamoate