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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Widal Test Showed Salmonella Typhi And Antigen. What Do They Indicate?

My doctor suggested to take Widal test for my 8 years old daughter and the results shown as
Salmonella typhi O (TO) Non Reactive
Salmonella typhi H (TO) Non Reactive
Salmonella paratyphi A, H (AH) Non Reactive
Salmonella paratyphi B, H (BH) Non Reactive

after that one note was written as:

Titres 1:80 and above of "O" antigen & 1:160 and above of "H" antigen are significant

Please tell me wheather my daughter has any typhoid

Tue, 22 Oct 2013
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General & Family Physician,  's  Response
Hello,
Welcome to Healthcaremagic.

Thanks for your query.
I have gone through your query and understand your concern.

As all the four antigens in the widal test are negative, She probably do not have Typhoid fever.

But it is up to the treating physician decision.
Because if your strongly suspects Typhoid on the clinical back ground, She may need antibiotics for treatment.

Please consider widal test after a week, if the fever persists.

A four fold increase titre is usually considered to have typhoid fever.

Hope this helps.
Please reply for further queries.
Wishing you good health.
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Widal Test Showed Salmonella Typhi And Antigen. What Do They Indicate?

Hello, Welcome to Healthcaremagic. Thanks for your query. I have gone through your query and understand your concern. As all the four antigens in the widal test are negative, She probably do not have Typhoid fever. But it is up to the treating physician decision. Because if your strongly suspects Typhoid on the clinical back ground, She may need antibiotics for treatment. Please consider widal test after a week, if the fever persists. A four fold increase titre is usually considered to have typhoid fever. Hope this helps. Please reply for further queries. Wishing you good health.