Acid Reflux, Heartburn, and Bitter Taste: Understanding Gastroesophageal Reflux Disease
Why Does Acid Reflux Happen?
The valve between the esophagus and stomach is called the lower esophageal sphincter. Normally, it relaxes when food enters the stomach and then closes again.
When this valve becomes weak or works abnormally, stomach acid, bile, and digestive enzymes may flow back into the esophagus. Because gastric fluid can be highly corrosive, repeated reflux may cause burning discomfort, acid regurgitation, bitter taste, cough, or throat irritation.
Heartburn · Acid regurgitation · Bitter taste · Cough · Throat irritation · Endoscopy when needed
Diet and Lifestyle Adjustments
For mild occasional reflux, lifestyle adjustment may help. Eat smaller meals more frequently and avoid spicy, greasy, and high-fat foods. Reduce caffeine, alcohol, chocolate, citrus fruits, carbonated drinks, and strong tea.
Avoid eating within 2 to 3 hours before bedtime. Raising the head of the bed by 15 to 20 cm may also reduce night reflux. Weight management, stress reduction, not smoking, and avoiding tight clothing can help reduce pressure on the stomach.
- Late-night meals
- Spicy, greasy, or high-fat food
- Alcohol, coffee, strong tea, and carbonated drinks
- Chocolate and acidic fruit triggers
- Lying down immediately after meals
- Small, frequent meals
- Walk lightly after eating
- Raise the head of the bed
- Control weight
- Seek care if symptoms are frequent
Warning Signs That Need Medical Attention
If reflux happens frequently or does not improve with lifestyle changes, medical evaluation is recommended. Warning signs include difficulty swallowing, painful swallowing, chronic recurrent cough, vomiting blood, black stool, persistent pain, or frequent nausea and vomiting.
People with a family history of esophageal cancer or gastric cancer should consider gastroscopy even when symptoms are not severe.
"GERD is not only about temporary discomfort. Repeated reflux may damage the esophagus and should be evaluated when symptoms persist."