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Iron Deficiency Anaemia in Children: Signs, Causes and Treatment
Anaemia is the most common nutritional disorder in Indian children, and it is also the most under-treated — not because treatment is difficult, but because the condition rarely looks like an illness. There is no fever, no pain, no obvious day when it started. A child who is a little pale, a little tired, a little slower to learn is simply described as quiet or a poor eater. Yet iron deficiency anaemia in children has measurable effects on brain development, school performance and infection risk, and correcting it is inexpensive and straightforward.
Why Iron Matters So Much in Early Childhood
Iron does two jobs. It carries oxygen in haemoglobin, and it is essential for brain development. The second is why anaemia in the first two years is treated with particular urgency: some of the effects on cognitive development from severe, prolonged iron deficiency in this window may not be fully reversible even after the iron is corrected.
The consequences of untreated anaemia include:
- Slowed growth and poor weight gain
- Reduced attention span, slower learning and lower school performance
- More frequent and more severe infections, including pneumonia and diarrhoea
- Persistent tiredness and irritability
- Reduced physical stamina and appetite, which worsens the deficiency further
"Anaemia does not make a child ill. It makes a child slightly less than they would otherwise have been, in every direction at once. That is precisely why it is missed."
Signs to Look For
| Where to look | What you may see |
|---|---|
| Inner eyelid | Pull the lower lid down gently — it should be pink, not pale |
| Palms, nail beds, tongue | Pallor, most reliable in good daylight |
| Energy | Tires quickly, less active than peers, wants to be carried more |
| Behaviour | Irritability, poor concentration, reduced interest in play |
| Appetite | Poor eating, which then worsens the deficiency |
| Unusual cravings (pica) | Eating mud, chalk, sand, ice or paper — a classic and often-ignored clue |
| Breathing | Breathlessness on exertion, fast heartbeat |
| Nails and hair | Brittle or spoon-shaped nails, hair thinning |
| Infections | Falling ill more often than other children |
What Causes It
Dietary and feeding causes
- Late or inadequate complementary feeding. Iron stores from birth run out at around six months, and if solids do not start then, deficiency follows. See starting solids at six months.
- Diets built on milk and refined cereals, which are low in iron.
- Excessive cow's milk, particularly before one year. Large volumes displace iron-rich food and can cause microscopic gut bleeding.
- Tea with or after meals, whose tannins block iron absorption substantially. This is a very common and easily fixed cause in Indian households.
- Purely vegetarian diets without careful iron and vitamin C combining.
Losses and other causes
- Intestinal worms, especially hookworm, a major cause in this region — see worm infection and deworming
- Prematurity or low birth weight, which means smaller iron stores at birth
- Maternal anaemia in pregnancy
- Repeated infections and diarrhoea
- Heavy menstrual bleeding in adolescent girls
- Coeliac disease and other malabsorption
- Inherited conditions such as thalassaemia trait and sickle cell disease, which are relevant in parts of Chhattisgarh and are not treated with iron
Diagnosis
Pallor is a clue, not a diagnosis. A complete blood count showing haemoglobin, red cell size and other indices is the basic test. Serum ferritin measures iron stores and is the most useful single marker of iron deficiency, though it rises with infection so is interpreted alongside the clinical picture. Where the pattern is unusual, where iron treatment does not work, or where there is a family history, further testing for thalassaemia, sickle cell disease or malabsorption is needed. A stool test may be done where worms are suspected.
Treatment
Iron supplementation
- Dose is set by weight and prescribed by your doctor. Do not guess or copy another child's dose.
- Give on an empty stomach or between meals where tolerated, since food reduces absorption.
- Give with vitamin C — a little lemon water, orange or guava markedly improves absorption.
- Never with milk or tea, and separated by at least an hour from calcium supplements.
- Continue for at least two to three months after the haemoglobin normalises. This is the most important instruction and the most commonly ignored. Stopping when the blood count is corrected leaves the stores empty and the anaemia returns.
- Expect black stools — this is harmless and expected. Mild nausea or constipation can be managed by adjusting timing and fluids.
- Use a straw or give with a dropper past the teeth for liquid iron, which can stain temporarily.
Haemoglobin usually begins rising within two to four weeks. If there is no response, the diagnosis, the dose, adherence, ongoing blood loss and malabsorption all need reviewing.
Alongside supplements
- Deworming as advised for the age group
- Treating the underlying cause, whether that is diet, worms, blood loss or malabsorption
- Dietary correction, which is what prevents recurrence once the course ends
Iron-Rich Everyday Foods
| Group | Foods |
|---|---|
| Best absorbed (animal iron) | Liver, meat, chicken, fish, egg yolk |
| Grains and millets | Ragi, bajra, jowar, whole wheat, poha (naturally iron-fortified) |
| Pulses | All dals, rajma, chana, soyabean, sprouts |
| Green leafy vegetables | Spinach, methi, drumstick leaves, amaranth, bathua |
| Dried fruit and seeds | Dates, raisins, anjeer, til, pumpkin seeds (powdered for young children) |
| Other | Jaggery, cooking in an iron kadhai, fortified flour and salt |
| Vitamin C to pair with meals | Lemon, amla, guava, orange, tomato, capsicum |
Prevention
- Treat maternal anaemia in pregnancy — see the first antenatal visit
- Delayed cord clamping at birth, which meaningfully increases a newborn's iron stores
- Exclusive breastfeeding to six months, then iron-rich complementary feeding on time
- Iron and folic acid supplementation as per the national schedule for infants, children and adolescents
- Regular deworming
- Limit cow's milk after one year to a reasonable daily amount rather than unlimited
- Screen at-risk children: preterm and low birth weight babies, those from families with thalassaemia or sickle cell disease, and adolescent girls
- Keep up routine immunisation, since repeated infection worsens anaemia
Your Paediatric Team in Ambikapur
A simple blood test settles the question, and treatment is inexpensive. Our paediatric department provides anaemia screening, haemoglobin testing, treatment and growth monitoring, with specialist support for thalassaemia and sickle cell conditions where indicated. Related reading includes starting solids at six months, fever in children and child development milestones. Meet Dr. Ankit Gupta, Dr. Ankit Sharma and Dr. Megha Goyal, see the full consultant team, check our insurance and scheme empanelments, or book an appointment here.
"Parents come in because a child is not eating. Very often the child is not eating because they are anaemic, and the anaemia came from not eating. Break that loop with iron and the appetite returns."
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