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Tirana Polyclinic

Pediatrics

Iron deficiency anemia in children

Causes, interpreting tests and follow-up of treatment

Anemia means a hemoglobin level lower than the value appropriate for age. Hemoglobin carries oxygen, and iron deficiency is a frequent cause of a low level. However, iron stores may be depleted even before anemia appears. The assessment must distinguish iron deficiency from other causes and look for the reason behind it.

Updated: October 2026 · Based on 3 international sources

How it may present

A child may have pallor, tiredness, irritability, poor concentration or lower tolerance of activity. Sometimes there is a desire to eat non-food substances such as ice, soil or paper. These signs are not specific, and some children with iron deficiency have few complaints.

Difficulty breathing, a rapid heartbeat and marked weakness may indicate more severe anemia or another problem.

Why iron stores fall

Rapid growth increases iron needs. Premature birth, low birth weight, late or inadequate introduction of iron-rich foods and excessive milk intake that replaces meals can contribute. In adolescents, heavy menstrual bleeding is also considered.

In certain cases, blood loss, poor absorption or chronic illness are sought. A restrictive diet should be assessed for its full composition. Iron deficiency should not be explained by appetite alone, especially when it recurs or does not respond to appropriate treatment.

How tests are interpreted

A complete blood count shows hemoglobin and the characteristics of the red cells. A reduced mean cell volume, MCV, may support the suspicion but is not specific to iron deficiency alone. Ferritin helps assess stores; the threshold is interpreted according to age, the laboratory and the clinical condition.

Ferritin can rise during inflammation, so a normal value does not always exclude deficiency. Serum iron alone does not reliably measure stores. The doctor reads the results together and may request additional tests according to the pattern of anemia.

When other causes should be considered

A family history of anemia, jaundice, dark urine or other changes in the blood count call for attention. Thalassemia, hemolysis and vitamin deficiency are among the alternatives considered case by case. Microcytosis should not be treated automatically with iron without assessment.

If hemoglobin does not improve as expected, check the actual intake of the preparation, tolerance, the accuracy of the diagnosis and accompanying losses or illnesses. A lack of response is a reason for reassessment, not for uncontrolled increase of the medicine.

Frequently asked questions from parents

Is anemia the same as iron deficiency? No. Anemia is a low hemoglobin and has many causes; iron deficiency is one of them and can exist even without anemia. For this reason, assessment does not stop at hemoglobin but looks for the cause and for iron stores.

How long does iron treatment last? Usually a few months. Hemoglobin may improve within weeks, but stores are replenished later, so treatment continues according to the plan and recheck. Early stopping often leads to deficiency returning.

Why do stools become dark? Iron can darken the stools, and this is not in itself a sign of bleeding. However, tar-black stools with a heavy smell or with a poor condition need assessment. Do not stop treatment on your own for this reason.

How can I give iron so that it is better tolerated? Follow the doctor’s instructions on timing and method. Splitting the dose or giving it with food may lower abdominal discomfort, but affects absorption, so discuss it. Milk and tea reduce iron absorption.

Which foods help most? Meat, fish, eggs, legumes, fortified cereals and leafy green vegetables. Vitamin C, from fruit or vegetables, helps absorption of plant iron. Cow’s milk should not replace meals.

Can I give iron without a test? No. Iron taken without assessment may hide another cause of anemia, such as thalassemia, and excess is harmful. It is determined by the doctor after tests and kept out of children’s reach because of the risk of poisoning.

Treatment and nutrition

When deficiency is confirmed, treatment usually combines an iron preparation with dietary changes. The pediatrician determines the product and dose according to weight and elemental iron content. Hemoglobin may improve before the stores are replenished, so treatment and rechecks continue according to the plan.

Offer sources of iron such as meat, legumes and fortified foods, in a texture safe for age. Foods containing vitamin C help absorption of plant iron. Do not replace a varied diet with milk. Do not change the preparation yourself because of dark stools or abdominal discomfort; discuss tolerance. Keep iron closed and out of the reach of children, because excess ingestion can cause poisoning.

Care at Tirana Polyclinic: We offer pediatric consultation and interpretation of the results of earlier tests. Follow-up assesses the cause, the response to treatment and the need for a specialist consultation.

Key sources

This information is educational and does not replace a visit to the doctor. Do not change your treatment without consulting your doctor. Updated: October 2026.

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