When a Child Is Underweight: Find the Cause Early

Causes of being underweight, nutrient-dense feeding, and assessing medical causes early.

If a child consistently falls behind the expected weight and height for their age, it should not be ignored. Correctable causes such as feeding habits or absorption problems may lie behind it.

Common causes

Poor appetite, irregular meal times, picky eating, and medical causes such as coeliac disease or digestive disorders can all contribute to being underweight.

What you can do at home

  • Add calorie- and nutrient-dense foods (eggs, milk, nuts, avocado, meat) to daily meals.
  • Offer three main meals with healthy snacks between and keep meal times regular.
  • Introduce new foods patiently and without pressure, offering them repeatedly.
See a doctor if: weight keeps dropping, the child falls below the growth curve, or there is persistent diarrhoea or poor food absorption — the medical cause should be identified early.
How LULU helps: we diagnose underweight, growth delay, coeliac disease and feeding difficulties, assess nutritional status and prepare a personalised 7-day meal plan.
Important: Энэхүү нийтлэл нь ерөнхий мэдээлэл, боловсрол олгох зорилготой бөгөөд эмчийн үзлэг, онош, эмчилгээг орлохгүй.
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