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Anemia is the most common blood disorder in children in Pakistan, affecting more than half of all under-fives — and it is also the most commonly missed.
The reason it is missed is worth understanding, because it explains almost everything else about this condition. Anemia develops slowly, and children adapt to it. There is no fever, no rash, no pain, no single day when a parent can say “this is when it started.” The child simply becomes a slightly quieter version of themselves — tires a little sooner at play, eats a little less, falls a little behind at school. Families adjust to that gradually, and often conclude the child is simply “not a strong child” or “a lazy student.”
That is the real cost of childhood anemia, and it is not measured in hospital admissions. It is measured in concentration, in growth, in how often a child gets sick, and — in the first two years of life especially — in brain development that does not fully recover later even after the anemia is treated.
Red blood cells carry oxygen. Inside each one is hemoglobin, an iron-containing protein that binds oxygen in the lungs and releases it to every tissue in the body. Anemia means there is not enough hemoglobin — either because there are too few red cells, or because each cell carries too little.
The consequence is straightforward: every organ receives less oxygen than it needs. The body compensates by making the heart beat faster and the child breathe a little quicker, which works well enough that a child can be significantly anemic and still walk into a clinic looking reasonably normal.
But compensation has a price, paid where oxygen demand is highest. The developing brain is the most oxygen-hungry organ in a child’s body. This is why the effects of anemia show up as poor concentration, irritability, slower learning, and reduced physical stamina long before anyone notices pallor. And it is why iron deficiency in the first two years — when the brain is developing fastest — is taken so seriously by pediatricians. Treatment corrects the blood quickly; some of the developmental effects of prolonged early deficiency are not fully reversible.
The threshold for “low” hemoglobin changes with age, so a value that is normal for a teenager may be clearly abnormal for a toddler. That is a judgement for your child’s doctor, reading the report alongside the child.
It helps to group the causes by mechanism, because that is how doctors reason through them — and it is why the same low hemoglobin can mean three different things.
Iron deficiency is by far the commonest cause of anemia in Pakistani children. It arises from too little iron in the diet, increased need during rapid growth (infancy and adolescence), poor absorption, or a combination.
Vitamin B12 and folate deficiency — less common but significant, particularly where diets are low in animal foods, and in exclusively breastfed babies of B12-deficient mothers.
Chronic illness — long-standing infections, kidney disease, and inflammatory conditions suppress red-cell production.
Bone marrow disorders — uncommon, but the reason unexplained anemia with abnormal white cells or platelets is always investigated properly.
Intestinal worms — hookworm in particular — attach to the gut wall and cause slow, continuous blood loss. In areas with poor sanitation and where children play barefoot, this is a major and completely treatable cause.
Cow’s milk–induced gut bleeding in young children (see the section below).
Bleeding from the gut for other reasons, and clotting disorders.
Thalassemia — inherited, and unusually important in Pakistan (see below).
G6PD deficiency — an inherited enzyme deficiency, common here, in which red cells break down suddenly after specific triggers including naphthalene mothballs, fava beans and certain medicines. It is also a common cause of severe newborn jaundice.
Malaria, in endemic areas — a cause of anemia with fever that must not be missed.
Autoimmune destruction of red cells, and other inherited red-cell disorders.
Anemia is confirmed by a blood test, but confirming it is the easy part. Finding the cause is the actual work, and it is what determines whether treatment succeeds.
Complete blood count (CBC). Gives the hemoglobin level and, just as usefully, the size of the red cells (MCV) — small cells point toward iron deficiency or thalassemia, large cells toward B12 or folate deficiency. The white cell and platelet counts matter too; abnormalities there change the whole direction of investigation.
Peripheral blood film. A trained eye examining the shape and appearance of the cells often narrows the diagnosis considerably.
Iron studies, especially serum ferritin. Ferritin reflects the body’s iron stores and is the key test distinguishing iron deficiency from thalassemia trait — two conditions that produce very similar CBC patterns and are constantly confused. Note that ferritin rises during infection, so timing and interpretation matter.
Reticulocyte count. Measures how hard the bone marrow is working, separating “not making enough” from “losing or destroying too much.”
Hemoglobin electrophoresis / HbA2. The definitive test for thalassemia and other hemoglobin disorders.
Stool examination for worms and for hidden blood, which is essential where hookworm is likely.
Vitamin B12 and folate levels, where the red cells are large.
Further tests as the picture demands — G6PD screening, kidney and liver function, coeliac screening in a child with poor growth, and bone marrow examination in the small number of cases where the diagnosis remains unclear.
These investigations are available at KCIH’s on-site diagnostic facility, so a child can be tested and started on the right treatment without being sent between laboratories.
Treatment follows the cause. That sentence sounds obvious and is routinely ignored.
Iron supplements, prescribed by weight and taken for considerably longer than most families expect. Hemoglobin usually starts rising within two to four weeks — but the body’s iron stores take far longer to refill, and treatment normally continues for two to three months after the hemoglobin has returned to normal. Stopping when the child “looks better” is the commonest reason anemia comes straight back.
Getting more out of the iron you give:
Deworming where intestinal worms are likely — often given routinely alongside iron in endemic areas.
Diet, which supports treatment but rarely corrects established anemia on its own: – Best absorbed (heme iron): liver, red meat, chicken, fish, eggs – Plant sources (non-heme iron): daal, chana, beans, spinach and other dark leafy greens, dried apricots, dates, jaggery (gur) – Pair plant sources with vitamin C — lemon over daal, guava or orange after a meal – Keep tea away from mealtimes, and keep milk within the limits above
Most childhood anemia in Pakistan is iron deficiency, and iron deficiency is cheap and straightforward to correct. Within weeks of proper treatment, parents describe a child who eats better, plays longer, argues more, sleeps better and concentrates in class — changes they often did not realise they were waiting for, because the decline had been so gradual.
The two things that make the difference are finding the cause rather than assuming it, and continuing treatment long enough to refill the stores rather than stopping when the child looks well.
If your child is pale, tiring easily, eating non-food items, or a blood report has shown a low hemoglobin, our child specialist at KCIH can identify the cause and set up the right treatment plan.
The earliest signs are easy to dismiss: tiring quickly, irritability, poor appetite, difficulty concentrating, and frequent infections. Pallor is best checked on the inner eyelids, tongue, gums, nail beds and palms rather than the face. Craving non-food items such as mud, chalk or ice is a particularly telling sign and should always prompt a hemoglobin test.
This is called pica, and in children it is one of the most specific signs of iron deficiency. It is not a behavioural problem and does not respond to scolding — it typically stops within weeks once iron is replaced. If your child is eating non-food items, have their hemoglobin and iron levels checked rather than treating it as a habit.
Iron from animal sources is absorbed best — liver, red meat, chicken, fish and eggs. Plant sources such as daal, chana, beans, spinach, dried apricots, dates and gur also help, especially when paired with vitamin C from lemon, orange or guava at the same meal. Diet supports treatment but rarely corrects established anemia on its own.
Longer than most families expect. Hemoglobin usually begins rising within two to four weeks, but the body’s iron stores take much longer to refill — so treatment normally continues for two to three months after the hemoglobin returns to normal. Stopping early, when the child simply looks better, is the commonest reason anemia returns.
Give it on an empty stomach where your child tolerates it, ideally with something containing vitamin C such as a little orange or lemon water, which markedly improves absorption. Do not give it with milk, tea or calcium supplements, which block it. Black stools are normal and harmless. Store all iron preparations well out of reach — iron overdose is a serious poisoning risk in young children
Yes, particularly around mealtimes. Tannins in tea strongly inhibit the absorption of iron from food, and giving children chai with or after meals is a genuine contributor to childhood anemia in Pakistan. If tea is given at all, keep it well away from meals and from iron supplements.
Thalassemia is an inherited disorder in which the body cannot make normal hemoglobin, so red cells break down early. It looks similar to iron deficiency on a basic blood count but does not improve with iron — and unnecessary iron can cause harmful overload. It is confirmed by hemoglobin electrophoresis, and severe forms need regular transfusions and specialist care.
Yes. Hookworm attaches to the intestinal wall and causes slow, continuous blood loss that is invisible in the stool but significant over months. It is common where sanitation is poor and children play barefoot. Deworming treatment alongside iron is essential — treating the anemia without treating the worms means the iron simply leaks away.
At Kids Care International Hospital (KCIH) Located in Saidpur Road Rawalpindi, children with anemia are assessed by the child specialist Dr Samer Sikandar, with complete blood counts, iron studies, blood films and further testing available at our on-site diagnostic facility. Families attend from across Rawalpindi, Islamabad and the surrounding districts.
