HomeAnswersGeneral MedicinefeverMy 2.5 years old baby had a high fever with low WBC. Kindly advice.

What causes low white blood cell count in a 2-year-old?

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The following is an actual conversation between an iCliniq user and a doctor that has been reviewed and published as a Premium Q&A.

Answered by

Dr. Nagaraj

Medically reviewed by

Dr. Nithila. A

Published At July 4, 2019
Reviewed AtApril 19, 2024

Patient's Query

Hello doctor,

My 2.5 years old baby had a high fever for a day. The second day we did an FBC test (full blood count). It shows WBC 4000, and platelets count is 140000. But the baby had no fever on the second day. He was very active, nothing rash or other symptoms. He was playing as usual. But second day night he got again fever not exceeding 99.5 F.

Third day morning again we did a FBC. It shows WBC 5000 and platelets reduced to 136000. The baby had no fever since last night. He is very active as usual. I want to whether he has a problem or not. His Hb level is 13.2. Others are according to the reference range.

Answered by Dr. Nagaraj

Hello,

Welcome to icliniq.com.

Most probably it is an upper respiratory tract infection due to a virus, which is very common in children less than 5 years old. As the child is active, playful, and I assume he is eating well. The normal WBC count is from 4000 to 11000 and platelets from 1.5 to 4 lacs. It is slightly below normal in your child.

If he is having other symptoms like excessive cry, irritability, vomiting, shivering, it is better to rule out malaria and dengue as these can be severe in children below five years. If there are no symptoms, I mentioned you could wait and watch for a couple of days. If fever is not subsiding, it requires complete evaluation by a pediatrician. However, as long as the kid is active, playful, and eating well, no need to worry. I hope this information helps.

Same symptoms don't mean you have the same problem. Consult a doctor now!

Dr. Nagaraj
Dr. Nagaraj

Diabetology

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