Achalasia is a rare condition of the muscle of the esophagus or swallowing tube. It occurs when the nerves in the esophagus suffer damage. The term achalasia itself means ‘failure to relax’ and it refers to the inability of the lower esophageal sphincter to open and pass food into the stomach. Due to this, people suffering from this condition have difficulty swallowing food.

Unfortunately, there is no permanent cure for achalasia, since once the esophagus is paralyzed, the muscle is unable to work properly again. However, symptoms can be managed by treatments.


The symptoms of achalasia include:

  • Difficulty in swallowing food
  • Regurgitation of food that is retained in the esophagus. If this happens at night, food may be aspirated into the lungs, which is a serious medical problem
  • Loss of weight caused by reduced intake of food
  • Chest discomfort caused by esophageal dilation and/or retained food
  • Sharp chest pain where usually the cause is unclear
  • Heartburn


What exactly causes achalasia is still not properly understood. However, according to scientists, it may be caused by a loss of nerve cells in the esophagus. There are several theories about what causes this, and it is suspected that autoimmune responses or a viral infection may lead to the condition. Although it is rare, achalasia might be caused by a genetic disorder or infection as well.


Sometimes, achalasia can be overlooked or misdiagnosed due to its symptoms similar to other digestive disorders, since it has symptoms that are similar to other digestive disorders. The following are likely to be recommended by your doctor:

Esophageal manometry

This test helps to measure the rhythmic muscle contractions in your esophagus when you swallow, as well as the coordination and force exerted by the esophagus muscles. It also measures how well your lower esophageal sphincter relaxes or opens while you are swallowing. This test helps to determine the type of motility problem you might have.

X-rays of your upper digestive system (esophagram)

First, you drink a chalky liquid that coats and fills the inside lining of your digestive tract, after which an X-ray will be taken. This coating helps your doctor see a silhouette of your esophagus, stomach as well as the upper intestine. You might need to swallow a barium pill that can help to show a blockage of the esophagus.

Upper endoscopy

In this method, your doctor will insert a thin, flexible tube equipped with a light and camera (endoscope) down your throat, to examine the inside of your esophagus and stomach. Endoscopy helps to define a partial blockage of the esophagus if your symptoms or results of a barium study indicate that possibility. Endoscopy can also be used in order to collect a sample of tissue to be tested for complications.

Specific treatment depends on your age, health condition, and the severity of the achalasia.


The goal of the treatment is to relax or stretch the lower esophageal sphincter so that the food and liquid are able to move easily through your digestive tract.

Nonsurgical treatments

Nonsurgical treatment options include the following:

Pneumatic dilation

In this method, a balloon is inserted by endoscopy into the center of the esophageal sphincter and inflated to enlarge the opening. This outpatient procedure may need to be repeated if the esophageal sphincter doesn’t stay open. Nearly one-third of people treated with balloon dilation need repeat treatment within five years. This procedure requires sedation.


Your doctor may suggest muscle relaxants before you consume your meal. However, it is noteworthy that these medications have certain side effects.


This is a muscle relaxant which may be injected directly into the esophageal sphincter with an endoscopic needle. These injections may need to be repeated.

Surgical options

Surgical options include the following:

Heller myotomy

In this procedure, the surgeon cuts the muscle at the lower end of the esophageal sphincter as this will allow food to pass more easily into the stomach. This procedure can be performed noninvasively as well. However, it is to be noted that people undergoing this procedure might later develop gastroesophageal reflux disease later or GERD.

To avoid future problems with GERD, your doctor might also perform another procedure at the same time, which is known as fundoplication. This procedure is meant to prevent acid from coming back to the esophagus.

Peroral endoscopic myotomy (POEM)

In this procedure, your surgeon uses an endoscope which is inserted through your mouth and down your throat in order to create an incision in the inside lining of your esophagus. Then, similar to a Heller myotomy, your surgeon will cut the muscle at the lower end of your esophageal sphincter.

This procedure may also be combined with or followed by a fundoplication as this will help in preventing GERD.

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