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My child eats very little or refuses many foods… Should I be worried?

Understanding childhood eating difficulties without falling into myths or blame.

It's a common scene in thousands of homes: a child who only accepts a few foods, refuses vegetables, takes forever to finish their plate, or seems to have no appetite. Faced with this situation, worry, frustration, and doubt often arise.

Is this just a phase? Will he be lacking nutrients? Am I doing something wrong?

The good news is that most feeding difficulties are a normal part of childhood development and can be resolved with appropriate support. However, some situations require further evaluation to rule out medical or nutritional problems.

Eating difficulties are much more common than we imagine.

It is estimated that between one in four and one in three healthy children Does this child experience any difficulties related to feeding at some point? Despite being so frequent, around [number missing] 20 % does not receive an adequate diagnosis, which can delay treatment when it is really needed. 

It's important to understand that "eating difficulties" doesn't necessarily mean the child has an eating disorder. It's a broad term that includes various eating-related behaviors that can have very different causes.

Not all children who eat little have the same problem.

There are three main situations that pediatricians commonly encounter.

The selective child

  • This is the most frequent case.
  • She only accepts a limited range of foods, refuses to try new ones, and often eliminates foods she previously ate without problems. This is typical between the ages of 2 and 6 and usually coincides with a normal developmental stage in which children seek greater independence and show some distrust of unfamiliar foods.
  • This does not necessarily mean that he is malnourished.

The child with little appetite

  • In this case the problem is not the variety but the quantity.
  • The child seems to get full very quickly, eats small portions, and shows little interest in food. This can sometimes be related to illness, slower growth periods, or simply lower energy requirements.
  • The important thing is to assess whether that appetite is sufficient to maintain adequate growth.

The child who is afraid to eat

  • It is a less frequent situation, but it requires attention.
  • Some children begin to refuse food after an unpleasant experience, such as choking, severe vomiting, or pain when swallowing. In these cases, the refusal is not due to a lack of hunger, but rather to a fear of eating again. 

When does a normal stage cease to be normal?

Many children go through periods of greater selectivity that disappear spontaneously over time.

However, there are some signs that warrant consulting a pediatrician:

  • weight loss or lack of growth; 
  • persistent rejection of entire food groups; 
  • meals that regularly last more than 30 minutes; 
  • frequent choking or difficulty swallowing; 
  • repeated vomiting during meals; 
  • pain when eating; 
  • constant need to distract the child so that he eats; 
  • anxiety or significant family conflicts surrounding food. 

The presence of these signs requires a more complete evaluation to rule out medical, nutritional, or developmental problems. 

Growth matters more than a plate of food

One of the first questions parents ask is:

«"Are you eating enough?"»

The answer isn't always in what happened during lunch.

Pediatricians evaluate nutrition by considering growth over time. Weight, height, and their evolution on growth charts provide much more information than a single meal.

A child can eat less than his siblings and yet grow perfectly well because his needs are different.

Conversely, a child who apparently eats "well" may experience difficulties if they stop growing properly.

What parents can do at home

Often, with small changes in family dynamics, eating habits improve considerably.

The recommendations with the strongest scientific support include:

  • maintain regular meal times; 
  • eat as a family whenever possible; 
  • avoid screens during meals; 
  • Offer new foods repeatedly, without forcing the child to eat them; 
  • allow him to participate in food preparation; 
  • respect the signs of hunger and satiety; 
  • Avoid rewards, punishments, or negotiations around food. 

A very important aspect is understanding that Trying a new food may require between 8 and 15 exposures. before a child accepts it. Initial rejection does not mean they will never incorporate it into their diet. 

What to avoid

With the best intentions, many families end up using strategies that increase the problem.

Among the most frequent are:

  • chase the child around the house with the food; 
  • force him to finish the dish; 
  • cook a different menu for each member of the family; 
  • offer sweets as a reward; 
  • turn every meal into a negotiation. 

These behaviors often increase anxiety in both children and adults and make it difficult to learn healthy eating habits.

Are studies or supplements always necessary?

No.

Most children with feeding difficulties do not need complex studies.

The pediatrician will decide when it is necessary to order laboratory tests or prescribe nutritional supplements. This will depend on the child's growth, the variety of foods consumed, the presence of associated illnesses, and any suspected nutritional deficiencies.

The goal will always be to achieve adequate oral nutrition before resorting to other interventions. 

Teamwork makes the difference

Eating difficulties are not always resolved solely with nutritional guidance.

Depending on each case, the participation of different professionals may be necessary, such as pediatricians, nutritionists, speech therapists, occupational therapists, psychologists or pediatric gastroenterologists.

This interdisciplinary approach makes it possible to identify the causes of the problem and design an individualized plan for each child.

A message to take home

Most eating difficulties are temporary and can improve with appropriate strategies, patience, and support.

The challenge lies in differentiating between situations that are part of development and those that pose a risk to growth, nutrition, or health.

Parents shouldn't feel guilty when a child goes through a phase of food refusal, but neither should they minimize the warning signs. Consulting a pediatrician early allows for the identification of the few children who need a more specialized evaluation and prevents a minor problem from becoming a persistent difficulty.


Based on: Saure C, Zonis LN, González Sanguineti X, Kovalskys I. Feeding difficulties in childhood: a narrative review. Argentine Archives of Pediatrics. 2024;122(5):e202310200.

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