I initially had a sinus headache, which gradually disappeared. After that, I have been having a fever for over 15 days. My urine test is normal, and my CBC blood report shows a marginally low platelet count of 1.49 lakh. The doctor prescribed only Paracetamol, which provides temporary relief for a few hours. Doctor, what could be the cause of this prolonged fever? I do not have any other symptoms besides fever and fatigue.

Answered by 1 Apollo Doctors

Dr Bhanu Prakash

General Practitioner

MBBS
AFIH
Advanced certificate in critical care medicine
Fellowship in critical care medicine
10+ Yrs

Consult Now

Marginal thrombocytopenia and prolonged fever may point to viral infection or dengue. Please take Dengue NS1, CRP and Platelet repeat count. Take these to confirm the cause.

Dr. Bhanu Suggests...

Take a Dengue NS1 Antigen - Elisa Test or Take a CRP Test (C - Reactive Protein) Test

Book Dengue NS1 Antigen - Elisa Test Book CRP Test (C - Reactive Protein) Test

Answered 16/09/2025

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Disclaimer: Answers on Apollo 247 are not intended to replace your doctor advice. Always seek help of a professional doctor in case of an medical emergency or ailment.