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Doctor insights on: Giardia Antigen

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When would one need a giardia lamblia antigen assay?

When would one need a giardia lamblia antigen assay?

Diarrhea: Non-bloody diarrhea with fevers and weight loss, especially after exposure to potentially contaminated fresh water sources (rivers, lakes) may prompt a stool test to rule out giardia. ...Read more

Antigen (Definition)

Antigens are chemicals which upon exposure to the surface or inside of the body, will cause a reaction term allergic. Many substances will do this and allergic response is the basis for immunological protection for ...Read more


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How do you tell from giardia antigen test if your infection is current. The dr. did an IGG, but not IGM or IGA? IGM was positive.

How do you tell from giardia antigen test if your infection is current. The dr. did an IGG, but not IGM or IGA? IGM was positive.

Confusing ?: If your son's test showed giardia antigen, then the infection is active. IgM or IgG against giardia is testing one's immune response to the infection . ...Read more

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Positive test for giardia antigens? Can this cause eosinophilia and generalised lymphadenopathy (eosinophilia for +8 months)?

Possibly: The most common cause of eosinophilia in the world is parasitic disease. Exposure can happen when traveling to high-risk countries. Stool samples can be taken for diagnosis. Other causes of eosinophilia include asthma, alergy, drug hypersensitivity, DRESS, connective tissue disorders, and various cancers. See an physician so they can investigate possible causes and perform appropriate workup/labs. ...Read more

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When would one need a giardia lamblia antigen assay?

Diarrhea: Non-bloody diarrhea with fevers and weight loss, especially after exposure to potentially contaminated fresh water sources (rivers, lakes) may prompt a stool test to rule out giardia. ...Read more

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What is the definition or description of: giardia?

What is the definition or description of: giardia?

Parasite: Giardia lamblia is a flagellated protozoan parasite that colonizes and reproduces in the small intestine, causing giardiasis. ...Read more

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What is the definition or description of: antigen?

What is the definition or description of: antigen?

Immunoloigic chemica: Antigens are chemicals which upon exposure to the surface or inside of the body, will cause a reaction term allergic. Many substances will do this and allergic response is the basis for immunological protection for defense against invading organisms. ...Read more

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What is meant by the australian antigen is positive?

HBsAg: It's an old term for the hepatitis b surface antigen. Having a positive hbsag means that you have hepatitis b: either acute or chronic. ...Read more

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What is an antigen? How effective is it in individualizing blood?

An "ID tag": An antigen is a protein of specific shape that can serve to mark or help identify a cell / virus / protein / etc., to the immune system of the body (its white blood cells). The major ones on red blood cells or in vaccines for that matter, are very effective at triggering the body's immune system to attack the foreign object. In blood, a/b/"o" and rh-factor are the main ones + about 2 dozen lesser. ...Read more

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What are some HIV antigens?

Viral load?: A high level of viral antigen in the blood? There's good correlation between viral load ; progression of HIV to aids. A viral load (number of viral particles per ml of blood) 30, 000 copies means that the disease will progress rapidly. By treating with haart ; suppressing to undetectable virus we halt ds progrn. ...Read more

Dr. Thomas Fiala
70 doctors shared insights

Giardia (Definition)

Giardia lamblia is a flagellated protozoan parasite that colonizes and reproduces in the ...Read more