Diseases caused by Helminthes : Overview Types: Flat worms/ Platyhelminths Round Worms/ Nematodes
Disease Caused By Parasitic Worms
description
Transcript of Disease Caused By Parasitic Worms
DISEASE CAUSED BY PARASITIC
WORMS
BYPOURNIMA SHETTY
MANALI PATKAR
Onchocerciasis
introduction
Also called as River Blindness
Found in Africa and the Middle East
caused by Onchocerca volvulus
SYMPTOMS
Intense itching
lesions
rashes
blindness
depigmentation
elephantiasis
Prevention
Avoiding fly infested areas,
Wearing protective clothing
Using insect repellents
Treatment
Ivermectin Ivermectin is given as a single dose of 150 mg/kg orally and reduces the microfilariae in the skin by 99.5 % after three months.
Should not give to pregnant women and children under 5 years
Dracunculiasis
INTRODUCTION
Commonly known as Guinea worm disease, is a preventable infection caused by the parasite Dracunculus medinensis.
SYMPTOMS diarrhea
vomitting
fever
nausea
Swelling & pain
Itching & burning sensations
Chronic skin ulcers
causes
•
Prevention
Drink clean water
Filter water fleasEducationPrevent
contaminated persons from entering
into pod
treatment
wrapped around a small stick.
No medication is available.Analgesics, such as aspirin or ibuprofen,
can help reduce swelling; antibiotic ointment can help prevent bacterial
infections.
Ascariasis
INTRODUCTION
Caused by the parasitic roundworm Ascaris lumbricoides.
INTRODUCTION
Caused by the parasitic roundworm Ascaris lumbricoides.
Particularly prevalent in tropical regions and in areas of poor hygiene.
Other species of the genus Ascaris are parasitic and can cause disease in domestic animals.
SOURCES From soil and vegetation on which fecal matter containing eggs has been deposited.
Ingestion of infective eggs from soil contaminated with human feces or transmission.
Contaminated vegetables and water
Intimate contact with pets in contact with soil.
LIFE CYCLE
SYMPTOMS
coughing
vomitting
fever
restlessness
Abdominal discomfort
Disturbed sleep
DIAGNOSIS The diagnosis is usually incidental when the host passes a worm in the stool or vomit
Stool samples for ova and parasites will demonstrate Ascaris eggs.
Larvae may be found in gastric or respiratory secretions in pulmonary disease.
Blood counts may demonstrate peripheral eosinophilia.
DIAGNOSIS
On X-ray, 15–35 cm long filling defects, sometimes with whirled
appearance (bolus of worms)
PREVENTION
PREVENTION
TREATMENT
mebendazole
Piperazine
Ancylotomiasis
INTRODUCTION
Ancylostomiasis is the condition of infection by Ancylostoma hookworms.
ancylos = crooked, bent stoma = mouth.
Caused when hookworms, present in large numbers, produce an iron deficiency anemia by sucking blood from the host's intestinal walls.
causes
SYMPTOMS
Intestinal bleeding
abdominal pains
anemia
malnutrition
severe diarrhea
TREATMENT
Mebendazole
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