Early iron deficiency in children linked to feeding practices and health factors

Paediatric experts warn that infants’ iron stores are limited, making early feeding decisions crucial to prevent deficiency, with dietary and health factors also playing a role.

Iron deficiency anaemia is one of the most common nutritional problems in children, and paediatric specialists say it often begins earlier than many parents expect. Dr Yasmine Mensy, a consultant in paediatrics and neonatology, said a baby is usually born with iron stores that last for only about the first four months of life, not for years, as some families assume. That makes the first stage of feeding especially important, because the child’s needs soon outgrow the iron available at birth.

According to Mensy, problems can arise when infants rely on breast milk alone through the first year without any other iron source. The Mayo Clinic similarly notes that exclusive breastfeeding without added iron can leave infants short of the mineral once their early stores are used up. After the first birthday, excessive cow’s milk intake can also work against iron levels, because it can displace other foods and reduce absorption; Mensy warned that amounts above 700 millilitres a day may be a concern.

Weaning is a key point for prevention. Mensy said iron-rich foods should begin at around six months, with particular emphasis on meat and other animal sources. That advice aligns with guidance from the Mayo Clinic and specialist health sources, which stress that delaying iron-rich foods can raise the risk of deficiency. Other paediatric commentators have also pointed to early cow’s milk use, poor dietary variety and late complementary feeding as frequent causes.

Mensy added that iron deficiency is not always caused by diet alone. Coeliac disease can affect absorption, while chronic stomach inflammation, including infection with Helicobacter pylori, may also contribute. Ongoing stomach bleeding linked to heavy cow’s milk consumption was another factor she highlighted. Warning signs for parents include a pale face, brittle or weak nails, hair breakage and persistent tiredness, all of which should prompt medical review.