In my recent blood test report my RBC decreased from 5.8 to 5.2 and Hb increased from 14 to 15.2. Why is my RBC decreasing and Hb increasing?

Answered by 1 Apollo Doctors

Dr Ezhilarasan Ml

General Practitioner

MBBS
6+ Yrs

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A mild drop in RBC with a rise in Hb can occur due to hydration changes, training (if youre athletic), or lab variation. If no symptoms are present, this is not concerning. Repeat CBC after a few weeks for consistency.

Dr. Ezhilarasan Suggests...

Take a CBC Test (Complete Blood Count) Test

Book CBC Test (Complete Blood Count) Test

Answered 11/09/2025

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