| http://www.w3.org/ns/prov#value | - As the body becomes more deficient in iron, the patient may present with symptoms such as fatigue, pale skin, weakness, dizziness, headache, dyspnea upon exertion, inflammation or soreness of the tongue, and tachycardia.1,3,4 Some patients may have an abnormal craving to eat materials such as ice or dirt, referred to as pica.5
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