What causes a high mean corpuscular volume (MCV) in pediatric HIV infection?

Updated: Mar 05, 2020
  • Author: Delia M Rivera, MD; Chief Editor: Russell W Steele, MD  more...
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A high mean corpuscular volume (MCV) is most commonly caused by zidovudine and can be used to verify compliance. Other medications also cause a high MCV, as well as vitamin B-12 and folate deficiencies.

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