a symptom of iron deficiency anemia is __________.
Initially, iron deficiency anemia can be so mild that it goes unnoticed. But as the body becomes more deficient in iron and anemia worsens, the signs and symptoms intensify. Iron deficiency anemia signs and symptoms may include: Extreme fatigue. Weakness. Pale skin. Chest pain, fast heartbeat or shortness of breath. Headache, dizziness or lightheadedness. Cold hands and feet.