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Dysphagia in Children

Dysphagia or difficulty in swallowing, is a common disorder in children. The child is unable to eat food properly, which leads to other problems...

Last Updated On: Tuesday, July 13, 2010


We usually think that swallowing is a simple and uncomplicated process. Contrary to this belief, swallowing is a fairly complex process, that involves almost 50 pairs of muscles and nerves. Given below, are the three phases involved in this process:

Oral preparatory and transport phase: It is a voluntary phase, carried out by the muscles in the mouth. This includes opening and closing the mouth, mastication (chewing) and mixing the food with saliva. This entire process is aimed at forming a bolus of an appropriate size. A bolus, in literal terms, is a round ball of chewed food mixed with saliva.

Pharyngeal phase: This phase starts when the bolus enters the throat. The epiglottis (a flap present in the throat), together with a temporary suppression in breathing, blocks the larynx (voice box), thus preventing the bolus from entering the lungs. The bolus passes into the esophagus or the 'food pipe' and after which the windpipe opens. The beginning of this phase (when the bolus enters the throat) is voluntary. However, the phase ends with an involuntary action of the bolus entering the esophagus.

Esophageal phase: The bolus moves further down the esophagus, to the stomach.

For children suffering from dysphagia (difficulty in swallowing), one or more than one of the above phases fail, resulting in swallowing problems.

Causes of Dysphagia in Children
Damage to any of the organs, muscles or nerves involved in the swallowing process leads to dysphagia. Some of the causes of dysphagia in children are listed below:

Damage to brain and/or nervous system: Nervous system disorders like, stroke, Parkinson’s disease, cerebral palsy, motor neurone disease and multiple sclerosis may cause dysphagia, if any nerve involved in the swallowing process is affected.

Structural problems: Narrow esophagus, large tongue, cleft lip, large tonsils and dental problems are some structural disorders that make chewing or swallowing of food difficult, thereby leading to dysphagia.

Muscular Damage: Muscular disorders like muscular dystrophy can affect the muscles involved in the process of swallowing, thus causing dysphagia. Scleroderma and achalasia are other causes, wherein they may affect the esophagus, thus leading to dysphagia.

Symptoms of Dysphagia in Children
Every child suffering from dysphagia may show different symptoms. The following are some of the symptoms that are observed:
• Feeding difficulties: Babies suffering from dysphagia are unable to coordinate sucking and swallowing breast- or bottle-milk. They may arch their bodies, while feeding.
• Taking a long time to eat.
• Drooling, vomiting and/or coughing, frequent sneezing after eating or difficulty in chewing food.
• Unable to coordinate breathing with eating and/or drinking.
• Change in voice before or after eating.
• Pneumonia
• Weight loss

Diagnosis of Dysphagia in Children
In the diagnosis of dysphagia in children, the doctor will examine the child and his medical history. Eating habits of the child will help in the diagnosis of the disease. Following are some tests that the doctor may perform:

Oral-pharyngeal video swallow: The child is fed any liquid/solid food that contains barium. Barium, a non-toxic element, is used as it visible on X-rays. The X-ray helps to examine what exactly happens when the child swallows food.

Barium swallow/upper GI series: The child is given a liquid containing barium, and X-rays are taken. Any problems in mouth, esophagus, or stomach are noted. This test helps to know the exact cause of the swallowing problem.

Endoscopy: The child is given anesthesia, and an endoscope is inserted in the digestive track. An endoscope is a flexible pipe with a light and a camera at the inserted end. Images of the mouth, esophagus and stomach are taken to locate the problem.

Esophageal manometry and laryngoscopy are some other tests that can be performed to diagnose dysphagia in children.

Treatment for Dysphagia in Children
Dysphagia in children can be treated but the treatment will differ for every child. Age, health, medical history of the child are factors that are considered, while giving the treatment. The severity of the disease is also an important factor. Speech and occupational therapies are some of the treatments given to such children. These include exercises that help in swallowing. Some children may be hospitalized, if the condition is severe.

Dysphagia in children gives rise to other health problems. If the form of the disease is severe, it needs urgent treatment. If he/she is suffering from dysphagia, consult a pediatrician at the earliest.


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