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What Causes Fever With Negative Tests For Dengue?

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Posted on Tue, 23 Dec 2014
Question: My son is running on high fever, his dengue tests are negative, but his blood test says, Polymorphs 84% and Lymphocytes 10%, Is there any clinical significance to this. Pediatrician said, it looks more a viral fever, but then these tests were ordered and it came out like this.
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Answered by Dr. Sabyasachi Das (17 minutes later)
Brief Answer:
Can be Infection

Detailed Answer:
Thanks for posting in health care magic

Fever and high polymorph count are both indicator of infection. Dengue is excluded as there is ns1 negative report.

The infection can be viral or bacterial and can involve the respiratory system or gastrointestinal system. If the baby is having running nose, blocked nose, cough, sneezes and irritable taking little feed - high chance that he is suffering from influenza ( a viral infection ) common in this season. the medication you are giving is enough.

If there is diarrhea or repeated vomiting there may be tummy infection for which also the medications given are enough.

Thus I too think this is a infection which will respond to the medications within 3 days.

thank you.

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Above answer was peer-reviewed by : Dr. Bhagyalaxmi Nalaparaju
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Answered by
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Dr. Sabyasachi Das

Pediatrician, Neonatology

Practicing since :2006

Answered : 216 Questions

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What Causes Fever With Negative Tests For Dengue?

Brief Answer: Can be Infection Detailed Answer: Thanks for posting in health care magic Fever and high polymorph count are both indicator of infection. Dengue is excluded as there is ns1 negative report. The infection can be viral or bacterial and can involve the respiratory system or gastrointestinal system. If the baby is having running nose, blocked nose, cough, sneezes and irritable taking little feed - high chance that he is suffering from influenza ( a viral infection ) common in this season. the medication you are giving is enough. If there is diarrhea or repeated vomiting there may be tummy infection for which also the medications given are enough. Thus I too think this is a infection which will respond to the medications within 3 days. thank you.