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Iron supplement
Iron supplements are dietary supplements containing iron that can be prescribed by a doctor for a medical reason, or purchased from a vitamin shop, drug store etc. They are primarily used to treat anemia or other iron deficiencies. There are three ways that it can be delivered: orally, intravenously or intramuscularly.
The first iron pills were commonly known as Blaud's pills,〔(Blaud's pill – Medical Definition and More from ). Merriam-Webster. Retrieved on 2012-12-21.〕 which were named after P. Blaud of Beaucaire, the French physician who introduced and started the use of these medications as a treatment for patients with anemia.〔, p. 435.〕
==Medical uses==
Iron supplements are used to treat iron deficiency and iron-deficiency anemia;〔(Ferinject (ferric n 2012-12-21. )〕 parenteral irons can also be used to treat functional iron deficiency, where requirements for iron are greater than the body's ability to supply iron such as in inflammatory states. The main criterion is that other causes of anemia have also been investigated, such as vitamin B12/folate deficiency, drug induced or due to other poisons such as lead, as often the anaemia has more than one underlying cause.
Iron deficiency anemia is classically a microcytic, hypochromic anemia. Generally, in the UK oral preparations are trialled before using parenteral delivery.〔Goddard AF, James MW , McIntyre AS and Scott BB (May 2005). (Guidelines for the management of iron deficiency anaemia ). British Society of Gastroenterology〕 unless there is the requirement for a rapid response, previous intolerance to oral iron or likely failure to respond. Intravenous iron may decrease the need for blood transfusions however increases the risk of infections when compared to oral iron. A 2015 Cochrane Collaboration review found that daily oral supplementation of iron during pregnancy reduces the risk of maternal anaemia and that effects on infant and on other maternal outcomes are not clear. Another review found that "intermittent regimens (of oral iron supplementation) produced similar maternal and infant outcomes as daily supplementation but were associated with fewer side effects". The quality of evidence was poor, though.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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