Iron deficiency anemia is sometimes associated with headaches that range in severity from light pressure to a pounding that causes severe pain. These headaches often come with lightheadedness or dizziness, especially when sitting down standing up quickly, or when exercising. In severe cases, this can lead to fainting spells. All of these symptoms occur due to the lack of oxygen reaching the brain. In most cases, when anemia is treated, these symptoms lessen.
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