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What Does The Widal Test Result Indicate?

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Posted on Tue, 30 Sep 2014
Question: Hi, my 9 Year Daughter is suffering from fever from Yesterday Morning days. widal test for her shows the result is as follow
s typhi o Antigen Titre - 1:160
s typhi H Antigen Titre - <1:80
s paratyphi AH Antigen- 1:80
s paratyphi BH Antigen- <1:80

What is status of Report , Kindly advice medicine and diet suitable for her.
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Answered by Dr. Diptanshu Das (34 minutes later)
Brief Answer:
More details required

Detailed Answer:
Thanks for posting your query at HealthCareMagic. I have gone through the report which is borderline positive for Salmonella typhi O Antigen. A Widal result in dilutions of above 1:80 is considered positive (so 1:160 is positive). But there are a few things that I need to mention. Widal test does not become positive in less than 7 days of fever. So, if the fever has just started from yesterday, you can disregard the test and its report altogether. In that context, I would really like to know whether the test had been suggested by a pediatrician or was it done on your whim. The blood count that you have attached does not indicate a bacterial infection. It is either a viral infection or needs to be confirmed for typhoid with a antibody test. Urine test report is normal.

Most of the fevers that occur, are due to viral causes. Information on other associated features like cough would have been helpful. In case of a viral infection, antibiotics are ineffective and the temperature needs to be kept in control by cold sponging and the use of paracetamol. Viral fevers typically last between 5-10 days and resolve on their own. The nature of fever is important too. In typhoid, there is high rise of temperature and it rarely comes back to baseline. I would insist you to get a typhidot IgM test done. If you can let me know about it (along with the other relevant details), I can suggest further.

You can read more at: http://elearning.jkuat.ac.ke/journals/ojs/index.php/pgthesis_abs/article/view/523
Note: For further queries related to your child health, Talk to a Pediatrician. Click here to Book a Consultation.

Above answer was peer-reviewed by : Dr. Shanthi.E
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Answered by
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Dr. Diptanshu Das

Pediatrician

Practicing since :2005

Answered : 3875 Questions

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What Does The Widal Test Result Indicate?

Brief Answer: More details required Detailed Answer: Thanks for posting your query at HealthCareMagic. I have gone through the report which is borderline positive for Salmonella typhi O Antigen. A Widal result in dilutions of above 1:80 is considered positive (so 1:160 is positive). But there are a few things that I need to mention. Widal test does not become positive in less than 7 days of fever. So, if the fever has just started from yesterday, you can disregard the test and its report altogether. In that context, I would really like to know whether the test had been suggested by a pediatrician or was it done on your whim. The blood count that you have attached does not indicate a bacterial infection. It is either a viral infection or needs to be confirmed for typhoid with a antibody test. Urine test report is normal. Most of the fevers that occur, are due to viral causes. Information on other associated features like cough would have been helpful. In case of a viral infection, antibiotics are ineffective and the temperature needs to be kept in control by cold sponging and the use of paracetamol. Viral fevers typically last between 5-10 days and resolve on their own. The nature of fever is important too. In typhoid, there is high rise of temperature and it rarely comes back to baseline. I would insist you to get a typhidot IgM test done. If you can let me know about it (along with the other relevant details), I can suggest further. You can read more at: http://elearning.jkuat.ac.ke/journals/ojs/index.php/pgthesis_abs/article/view/523