What symptom might indicate an iron deficiency anemia as related to celiac disease?

Fatigue is a prominent symptom associated with iron deficiency anemia, particularly in individuals with celiac disease. Celiac disease can lead to malabsorption of essential nutrients, including iron, owing to damage to the intestinal lining. This malabsorption prevents the body from adequately absorbing iron from food, which is critical for producing hemoglobin in red blood cells. When hemoglobin levels drop due to insufficient iron, the body becomes less efficient at transporting oxygen, leading to feelings of fatigue and weakness. Thus, when a person with celiac disease experiences iron deficiency anemia, fatigue becomes a common and significant symptom that reflects the body's decreased oxygen-carrying capacity.

While increased heart rate, skin rashes, and nausea can be associated with various health issues, they are not as directly linked to the symptoms of iron deficiency anemia stemming from celiac disease. Increased heart rate may occur in response to anemia, but it isn't a primary symptom. Skin rashes can arise from celiac disease itself but are not indicative of iron deficiency anemia. Nausea can happen in different scenarios, including gastrointestinal disturbances, but it does not specifically highlight iron deficiency anemia as effectively as fatigue does.