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San Jose, CA
A 36-year-old male asked:

Pre-covid (and for many years prior) my cbc results were always normal, and during acute covid my eosinophils were 0.09 (x e9/l), but now at 5 weeks after symptoms started it's up to 0.5 (mild eosinophilia?). what could cause this?

1 doctor answer2 doctors weighed in
Dr. Hiep Le
Dr. Hiep Leanswered
Nephrology and Dialysis 42 years experience
There is nothing to concern about mild eosinophilia. Allergic reaction with pollen in the Spring or a new medication can make that change. If you have rash or any other feature of allergy such as sneezing, itching eyes or asthmatic symptoms then a causative allergen should be identified and eosinophilia gives us a hint. Steroids such as Prednisone or Decadron can lower eosinophil count to minimum

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Last updated May 24, 2021

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