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Clin Case Rep. 2016 Oct 5;4(11):1053-1056. eCollection 2016 Nov.

Iron deficiency anemia due to excessive green tea drinking.

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Section of Hematology and Oncology Department of Medicine Ministry of Health and Welfare Changhua Hospital Chang-Hua County Taiwan.


Tea interferes with iron absorption and can lead to iron deficiency anemia when consumed in large quantities. The rechallenge effect of green tea on anemia in a middle-aged man emphasizes the potential causal role of this beverage. Lifestyle and dietary habits are important diagnostic considerations in diseases of this type.


Green tea; iron deficiency anemia

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