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Dr. Andrew Rynne
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Can Coreg or fish oil lead to anemia?

my husband has been taking 25mg. coreg 2 x day since 2001. he has thalesemmia with a blood count of 11.9 at the time of his bypass and was put on coreg. he now has anemia with 8.5 red blood count. doctors do not know why, and want to do bone marrow test. But he was taking approx. 4000 mg of fish oil per day, thinkin g that is good for the heart. we now have anemia problem. is coreg adding to the problem, or is coreg to blame, or fish oil, which I have learned from FDA report that fish oil prevents formation of red blood cells.m none of the doctors have the answer. help
Wed, 15 Jan 2014
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HI, thanks for using healthcare magic

Coreg would not contribute to his anemia, it is not a known side effect of this medication.
Fish oil is rarely reported to cause bleeding in some persons and excess bleeding can cause anemia but if this had occurred,it is likely that you or your husband would have noted to bleeding.

There are different types and causes of anemia. The bone marrow biopsy would determine whether it is related to changes occurring within the bone marrow.

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