An<unk>  (EMD) is any medical<unk>  causing difficulty in swallowing, regurgitation of food and a spasm-type pain which can be brought on by an allergic reaction to certain foods. The most prominent one is dysphagia.<unk>  may be a result of CREST syndrome, referring to the five main features: calcinosis, Raynaud syndrome, esophageal dysmotility, sclerodactyly and telangiectasia.
Esophageal motility disorder
Esophageal achalasia
Esophageal disease
Odontoma dysphagia syndrome
Subglottic stenosis
Laryngopharyngeal reflux
Esophageal dysphagia
Velopharyngeal insufficiency