Achalasia happens when the processes that move food to your stomach don’t work properly. For food and liquids to pass from your mouth to your stomach, two things need to happen after you swallow.

Achalasia is a rare oesophageal disorder that impairs the ability of the esophagus to move food into the stomach. It occurs due to the gradual degeneration of oesophageal muscles and dysfunction of ...

Achalasia most frequently refers to oesophageal achalasia, a motility disorder characterized by failure of the lower oesophageal sphincter to relax. Functional obstruction of the oesophagus leads to ...

Achalasia is a disorder of the esophagus, or food pipe, which causes the cells and muscles to lose function. This can lead to difficulties with swallowing, chest pain, and regurgitation. Achalasia can ...

The esophagus consists of two anatomically and physiologically distinct regions, namely a proximal striated muscle portion (cervical esophagus) and a distal smooth muscle portion (thoracic and ...