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Weight loss in children is always something of concern, except when it is prescribed and controlled by a doctor, in cases of overweight. Therefore, if a drastic and unexplained loss of weight is observed, it is better to consult with the pediatrician.
Sudden weight loss or weight loss can be due to many reasons, for example:
1. what not consuming enough calories (lack of appetite).
2. The recommended calories are consumed but they burn more than ingested.
3. An episode of stress.
4. Because of a disease. One of the most common diseases that result in weight loss inexplicable to the naked eye is the malabsorption of some nutrient. These malabsorptions are usually the direct cause of weight loss. However, in some but rare cases, malabsorption may be the result of another underlying disease, and be only the indirect cause of weight loss.
The body needs a wide range of micronutrients, in addition to macronutrients (protein, fat and carbohydrates) to function, so the lack of any of them can lead to weight loss.
Anemia is the most common of these poor absorptions. A necessary nutrient, such as iron, is not being administered, it is administered in lower amounts than necessary, or some other compound, such as fiber, hinders its absorption, which results in weight loss.
2. Lack of vitamins
Other malabsorption, such as vitamin malabsorption, although not as common, should also be ruled out when drastic weight loss is observed. Some of them have had great importance throughout history, such as deficiency in vitamin B3 or Niacin, which causes pellagra, lack of vitamin C, responsible for scurvy, or malabsorption of vitamin D, which causes rickets.
3. Celiac disease, lactose intolerance and diabetes
Celiac disease or gluten intolerance, lactose intolerance, metabolic problems such as diabetes, as well as food allergies, such as allergy to cow's milk protein, can also result in weight loss that is difficult to explain. Although these are not malabsorptions in themselves, the result is the same, since a nutrient is not assimilated, the body suffers and, among other symptoms, weight loss occurs.
4. Mild gastrointestinal disorders
We refer to examples such as temporary diarrhea caused by a virus or bacterial infection, or more serious, such as Crohn's disease, and thyroid gland disorders also cause drastic weight loss.
5. Anorexia or bulimia
Eating disorders, such as anorexia nervosa or bulimia, although they are not very common in early childhood, they are in adolescence, and unfortunately earlier and earlier, so, in the face of weight loss, it is convenient to be attentive to the attitude of the child or adolescent towards food.
Changes in behavior and / or psychological problems such as depression or anxiety should also be observed, which can be derived from problems at home (divorce, birth of a sibling ...) or at school (change of school, bullying ...) and they may incur a loss of appetite and weight.
Although the weight loss is most likely not the result of a serious illness, it is advisable to consult your pediatrician when you observe a change in attitude towards food, a loss of more than 5% of weight or a dramatic reduction in the percentile (such as 40 -fifty%).
You can read more articles similar to Causes of sudden weight loss in children, in the category of Mental Disorders on site.