What are the causes of dysphagia?

Patient: What could be some of the causes of dysphagia?

Doctor: Dysphagia ie difficulty swallowing can be caused by various conditions . Some of them are1) Esopahgeal cancer: Cancer of the esophagus which leads to obstruction and consecutively dysphagia2) Achalasia: ie movement disorder of the esophagus3) Diffuse esophageal spasms: ie the muscle layer of the esophagus contracts abnormally4) other conditions like esophageal strictures, scleroderma all of which either obstruct and narrow the lumen of the esophagus or lead to muscle contraction problems.I Hope this helps.