Dysphagia
Difficulty in swallowing, a symptom or condition.
Dysphagia is the medical term for difficulty swallowing. While the ICD-10 classifies it as a symptom or sign, it is sometimes treated as a distinct condition. The sensation can involve trouble moving solids or liquids from the mouth to the stomach, a loss of feeling in the pharynx, or other problems with the swallowing process. It differs from odynophagia (painful swallowing) and globus (the feeling of a lump in the throat). A person may have dysphagia without pain, pain without dysfunction, or both. A psychogenic form is called phagophobia.
Dysphagia is divided into several main types: oropharyngeal dysphagia, esophageal and obstructive dysphagia, neuromuscular symptom complexes, and functional dysphagia, where no organic cause is found.
Some patients are not fully aware of their swallowing difficulty, so the absence of this symptom does not rule out an underlying disease. If untreated, dysphagia carries a high risk of aspiration, where food or liquid enters the lungs, leading to aspiration pneumonia. Some people have "silent aspiration," coughing or showing no outward signs. Undiagnosed dysphagia can also cause dehydration, malnutrition, and kidney failure. Signs of oropharyngeal dysphagia include trouble controlling food or saliva in the mouth, difficulty starting a swallow, coughing, choking, frequent pneumonia, unexplained weight loss, a gurgly or wet voice after swallowing, nasal regurgitation, and the patient's own complaint of trouble swallowing. Patients often point to the neck as the site where food gets stuck, though the actual blockage is at or below that perceived level. The most common symptom of esophageal dysphagia is trouble swallowing solid food, which feels like it gets stuck or held up before passing into the stomach or being regurgitated. Painful swallowing (odynophagia) can be a strong indicator of carcinoma, though it has many other causes. Achalasia is an exception: swallowing liquids causes more difficulty than solids. In achalasia, the parasympathetic ganglia of the esophagus's myenteric plexus are destroyed, causing functional narrowing of the lower esophagus and failure of peristalsis throughout.
Complications include aspiration, pneumonia, dehydration, and weight loss.
Causes can be structural, neurological, related to GERD, or pulmonary. Opioids and drugs like cocaine may cause or worsen swallowing difficulty.
Quick Facts
- Field
- Gastroenterology, phoniatrics
- Symptoms
- Inability or difficulty swallowing
- Complications
- Pulmonary aspiration, malnutrition, starvation, anorexia nervosa
- Causes
- Esophageal cancer, Esophagitis, Stomach cancer, mental illness, alcoholism, refeeding syndrome, starvation, infection, gastritis, malnutrition
Facts from the source article.
Lore & Background
Dysphagia is distinguished from other symptoms including odynophagia, which is defined as painful swallowing, and globus, which is the sensation of a lump in the throat. A person can have dysphagia without odynophagia, odynophagia without dysphagia, or both together. A psychogenic dysphagia is known as phagophobia. Dysphagia is classified into oropharyngeal dysphagia, esophageal and obstructive dysphagia, neuromuscular symptom complexes, and functional dysphagia, which is defined in some patients as having no organic cause that can be found.
Reader's Guide
Dysphagia is significant because when undiagnosed or untreated, patients are at high risk of pulmonary aspiration and subsequent aspiration pneumonia, dehydration, malnutrition, and kidney failure. Some patients have limited awareness of their dysphagia, and some present with 'silent aspiration' without coughing or outward signs. The most common symptom of esophageal dysphagia is the inability to swallow solid food, described as 'becoming stuck' or 'held up.' Achalasia is a major exception, where swallowing fluid causes more difficulty than solids. Diagnosis involves esophagoscopy, laryngoscopy, esophageal motility study, and FEES. Treatment is managed by a multidisciplinary team including a speech language pathologist, gastroenterologist, dietitian, and others, with strategies ranging from swallowing therapy and dietary changes to feeding tubes and surgery.
Did You Know?
- Dysphagia is distinguished from odynophagia (painful swallowing) and globus (sensation of a lump in the throat).
- In achalasia, swallowing fluid tends to cause more difficulty than swallowing solids.
- Some patients with dysphagia have 'silent aspiration' and do not cough or show outward signs.
Frequently Asked Questions
What is Dysphagia?
Dysphagia is the medical label for experiencing difficulty getting food or liquid to travel from the mouth down into the stomach. It can show up as trouble moving solids or liquids, a diminished sense of feeling in the throat, or other disruptions in the normal swallowing sequence.
How is Dysphagia different from Odynophagia or Globus?
While dysphagia refers to mechanical or functional trouble with the act of swallowing itself, odynophagia specifically describes pain during swallowing, and globus is the persistent sensation of a lump sitting in the throat. A person can experience one without the others, or any combination of them.
What are the main types of Dysphagia?
The condition is typically broken down into oropharyngeal, esophageal, neuromuscular, and functional categories. Each type points to a different stage or mechanism where the swallowing process goes wrong.
Is Dysphagia officially a symptom or a standalone condition?
Under the ICD-10 coding system it is catalogued among symptoms and signs, yet in clinical practice it is frequently managed as its own distinct condition. This dual classification reflects how it can be both a warning flag for something else and a problem worth treating on its own.
What is Phagophobia and how does it connect to Dysphagia?
Phagophobia is the psychogenic or anxiety-driven form of swallowing difficulty, where the fear of swallowing itself is the primary driver rather than a structural blockage. It sits within the broader dysphagia umbrella but points to a psychological root rather than a purely physical one.
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