Could You Be Low in Iron? Signs, Causes, and When to Get Tested
Iron is an essential mineral that helps the body produce hemoglobin—the protein in red blood cells responsible for carrying oxygen throughout the body. When your body does not have enough iron, it may eventually become unable to produce enough healthy red blood cells. This condition is known as iron-deficiency anemia. Iron deficiency often develops gradually. Mild deficiency may not cause noticeable symptoms, making appropriate testing especially important. Common Signs of Iron Deficiency Symptoms can vary depending on the severity of the deficiency. Common signs include: Persistent tiredness or weakness Shortness of breath Dizziness or lightheadedness Frequent headaches Pale skin Cold hands and feet Difficulty concentrating Reduced exercise tolerance Rapid or irregular heartbeat Brittle nails or hair changes Restless legs Craving ice or nonfood substances These symptoms can also occur with many other health conditions. A blood test is the only reliable way to determine whether iron deficiency is the cause.
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