Paragonimus westermani infected by parasitic trematodes

1. Paragonimus westermani
V. Salomi
II Msc.Microbiology

2. Definition
 Paragonimus westermani infected caused by parasitic
trematodes of the fluke
 Infection moist commonly is with the long fluke which may
reach some 8 to 12mm in length.

3. Paragonimus westermani

4. TRANSMISSION:
 The infection is transmitted by eating infected crab or
Crow fish that is either raw, partially cooked.
 The larval stages of the parasite are released when the
crab or Crowfish is digested
 They migrate with the body most often ending up in the
lungs.

5. SYMPTOMS :
 Adult flukes living in the lung causes lungs diseases after
2-15 days the initial signs,
Diarrhea and abdominal pain
 This may be followed several days later by fever, chest
pain and fatigue

6. PREVENTION :
 Never eat raw freshwater crabs or crayfish
 Cook crabs and crayfish to at least (145F).

7. TREATMENT :
 Praziquantel is the drug of choice, adult or pediatric
dosage 25mg/kg given orally three times per day for
consecutive days.

8. THANK YOU…