Munson Health
 
Giardiasis

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by Alan R
 

Symptoms

Symptoms usually start 5 to 28 days after infection. Not all people who are infected have symptoms. However, all people who are infected can transmit the disease.
Symptoms may include:
  • Diarrhea
  • Loose, greasy, foul-smelling stools
  • Abdominal pain or cramps
  • Bloating
  • Gas
  • Nausea or vomiting
  • Weight loss
  • Rare findings may include
    • Mild fever
    • Hives or other rash
    • Swelling of eyes or joints
 

RESOURCES

American Academy of Family Physicians
http://www.familydoctor.org

National Institute of Allergy and Infectious Diseases
http://www.niaid.nih.gov

 

CANADIAN RESOURCES

The Canadian Association of Gastroenterology (CAG)
http://www.cag-acg.org

Public Health Agency of Canada
http://www.phac-aspc.gc.ca

 

References


Adam RD. Biology of Giardia lamblia. Clin Microbiol Rev. 2001;14:447


Giardiasis. KidsHealth.org website. Available at: http://kidshealth.org/parent/infections/stomach/giardiasis.html. Updated September 2011. Accessed August 14, 2013.


Parasites–giardia. Centers for Disease Control and Prevention website. Available at: http://www.cdc.gov/parasites/giardia/. Updated March 8, 2011. Accessed August 14, 2013.


Nash TE. Surface antigenic variation in Giardia lamblia. Mol Microbiol. 2002;45:585.

 

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