Achalasia is a rare disease that
makes it hard to swallow foods and liquids. In achalasia, there is a problem with
tube that carries food from the mouth to the stomach (esophagus). The muscles that
the esophagus contract and push food down to the stomach don’t work well. The muscle
contractions get weak.
The LES (lower esophageal
sphincter) also doesn’t work well. The LES is the muscle at the bottom of the esophagus,
where it joins the stomach. With achalasia, the LES gets narrow and tight. Food does
pass into the stomach as it should. Over time, food and liquid can collect in the
Achalasia happens more often in
adults. It is rare in children.
It affects males and females
equally. In some cases, there may be a family history of achalasia.