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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Low Grade Fever. Positive Widal Test. Do I Have Typhoid?

i suffering low grade fever from two weeks. i tested for widal test , result is positive. But i am not having symptoms like typhoid . my doctor told it is not typhoid. is it correct. presently i am feeling weak and some times body feeling hot but temperature is normal in thermo meter. sir please tell, what happening to me.
Mon, 19 Nov 2012
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Pediatrician, Neonatology,  's  Response
Hi,
It is right that report was positive. But ,what were the actual titre values?

WIDAL test is a presumptive serological test for typhoid fever. The report is compared with patient's history of previous typhoid fever, typhoid vaccination, general level of antibody in the community (local titre) and present clinical condition. Another test after 4 weeks could be necessary to verify it. A four times increase of the titre is classically seen in typhoid. So, a positive WIDAL does not always confirm the diagnosis of typhoid fever.

In clinical picture of typhoid, there is step-ladder pattern of fever. That means, intensity of fever gradually increases to high in episodic pattern and maintain a high level (plateau). Low grade fever / normal temperature does not match the clinical picture.

Your doctor is probably right. You don't have Typhoid fever.
There could be other reasons for your illness. As the symptoms are non specific, it is not possible to predict the cause. Some other infections (like - other species of salmonella, malaria etc) may show positive WIDAL. Please visit your doctor to get examined and take treatment as he/she directs.
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Low Grade Fever. Positive Widal Test. Do I Have Typhoid?

Hi, It is right that report was positive. But ,what were the actual titre values? WIDAL test is a presumptive serological test for typhoid fever. The report is compared with patient s history of previous typhoid fever, typhoid vaccination, general level of antibody in the community (local titre) and present clinical condition. Another test after 4 weeks could be necessary to verify it. A four times increase of the titre is classically seen in typhoid. So, a positive WIDAL does not always confirm the diagnosis of typhoid fever. In clinical picture of typhoid, there is step-ladder pattern of fever. That means, intensity of fever gradually increases to high in episodic pattern and maintain a high level (plateau). Low grade fever / normal temperature does not match the clinical picture. Your doctor is probably right. You don t have Typhoid fever. There could be other reasons for your illness. As the symptoms are non specific, it is not possible to predict the cause. Some other infections (like - other species of salmonella, malaria etc) may show positive WIDAL. Please visit your doctor to get examined and take treatment as he/she directs.