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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Can You Test Positive For Typhoid Even After Treatment For One Month?

i had typhoid with fever, was given antibiotics, now cured after one and half month i had gone for typhoid test the results shows positive, when approch doctor he said the parasite will be there and no need of medicine.If i have fever then he can start treatment? can you please clarify this
Fri, 22 Apr 2016
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General & Family Physician,  's  Response
Hi,
Thanks for posting in HCM.
I understand your concern.
Widal test is used as diagnostic test to detect typhoid. It can gives false positive reactions.
The rising titre indicates disease rather than single positive test.
Hence, after recovery from typhoid, some patients will have life long positivity to Widal test but they are free of disease.
For this a repeat test is done after a week and if it shows rising titre, then it would be significant and not a single test result. In such cases, it would be ideal to confirm about the disease status by performing blood culture and sensitivity.
Hope the information provided would be helpful.
All the best.
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Can You Test Positive For Typhoid Even After Treatment For One Month?

Hi, Thanks for posting in HCM. I understand your concern. Widal test is used as diagnostic test to detect typhoid. It can gives false positive reactions. The rising titre indicates disease rather than single positive test. Hence, after recovery from typhoid, some patients will have life long positivity to Widal test but they are free of disease. For this a repeat test is done after a week and if it shows rising titre, then it would be significant and not a single test result. In such cases, it would be ideal to confirm about the disease status by performing blood culture and sensitivity. Hope the information provided would be helpful. All the best.