A member asked:

I have been told by a few doctors that my red blood cells are large what is the cause? i've have not been given an answe r

A doctor has provided 1 answer

Macrocytosis: Large red cells, measured by the MCV or mean corpuscular volume, are most commonly caused by drinking alcohol, an underactive thyroid, certain medications, viyamin B12 orfolate deficiency, an excess of new red blood cells (reticulocytosis), or bone marrow disorders such as myelodysplastic syndrome. A hematologist can make the diagnosis easily but may need to perform a bone marrow biopsy.

Answered 10/22/2019

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