Gastroesophageal Reflux Disease (GERD): Causes, Symptoms, Diagnosis and Treatment

Gastroesophageal Reflux Disease (GERD) is a chronic condition where stomach acid flows back into the esophagus, causing irritation and inflammation.

Here's an overview of its causes, symptoms, diagnosis, and treatment:

Causes: GERD is often caused by a weakened Lower Esophageal Sphincter (LES), the muscle that controls the opening between the esophagus and the stomach. Factors that can contribute to GERD include obesity, hiatal hernia, pregnancy, smoking, and certain medications.

Symptoms: Common symptoms of GERD include:

Heartburn: a burning sensation in the chest, often after eating or at night

Regurgitation: sour or bitter-tasting acid backing up into the throat or mouth

Difficulty swallowing
Chest pain
Dry cough or hoarseness

Diagnosis: GERD is typically diagnosed based on symptoms and may be confirmed with tests such as:

Endoscopy: a procedure to examine the esophagus and stomach using a thin, flexible tube with a camera

Esophageal pH monitoring: measures acid levels in the esophagus over 24 hours

Barium swallow: X-ray imaging of the esophagus after swallowing a barium solution

Treatment: Treatment for GERD aims to reduce symptoms and prevent complications. This may include:

Lifestyle changes: such as avoiding trigger foods, losing weight, and elevating the head of the bed

Medications: over-the-counter antacids, H2-receptor antagonists, and proton pump inhibitors to reduce acid production

Surgery: in severe cases, surgery to strengthen the LES or repair a hiatal hernia may be recommended

Complications: Long-term untreated GERD can lead to complications such as esophagitis (inflammation of the esophagus), strictures (narrowing of the esophagus), Barrett's esophagus (changes in the lining of the esophagus that can increase the risk of esophageal cancer), and respiratory problems.

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