Dysphagia may be classified based on the location into oropharyngeal dysphagia or esophageal dysphagia. Dysphagia may also be classified based on etiology into further six subclasses which include infectious, metabolic, myopathic, neurological, structural and, iatrogenic.
Dysphagia classification
Dyspepsia classification
Constipation classification
Headache classification
Amnesia classification
Gastroparesis classification
Dysphagia epidemiology and demographics
Syncope classification