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A 28-year-old male asked:

What vitamin/nutritional deficiencies could cause a low wbc (3.0)? i am thin (bmi 19) so im wondering if this could be a cause?

2 doctor answers3 doctors weighed in
Dr. Clarence Grim
Endocrinology 57 years experience
I can think of none that are characterized by low WBC alone. I would repeat wbc and compare to last one if ever. If have been sick with virus may do this. Check with your team.
Dr. Hiep Le
Dr. Hiep Leanswered
Nephrology and Dialysis 42 years experience
We need to know this is a new finding or a chronic condition because the approach is different. Black people can have low white cell count, a benign condition called benign ethnic neutropenia. Low white cell count (leukopenia) may be present in many diseases and this is not a chronic condition. For your query, deficiency in B12, folate and copper could also cause leukopenia.

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Last updated May 8, 2021

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