Could it be a sleeping medication such as zopiclone, I have been tested for vitamin deficiancies and don't have those, I never drink any alcohol but I do take topriamate for seizures and zopiclone for sleep.I
Hi
Enlarged red blood cells is called as macrocytosis. It is caused by a lot of factors such as deficiency of vitamin B12 or folic acid, liver disease, alcoholism, medications (anti cancer drugs) etc.
Do write in if you need more information.
Regards