What causes a sour or bitter taste when eating, and what should be done about it?

Generally, a sour or bitter taste when eating may be caused by improper diet, poor oral hygiene, chronic gastritis, cholecystitis, or reflux esophagitis. It is recommended to seek medical attention promptly, identify the underlying cause, and receive targeted treatment. Specific analysis is as follows:

1. Improper Diet

Consuming excessively greasy, spicy, or hot foods, or overeating and eating too quickly, may increase gastric acidity, leading to indigestion and causing a sour or bitter sensation. It is important to improve dietary habits promptly by adopting a light diet, eating more fresh vegetables and fruits, and avoiding spicy, stimulating, and oily foods.

2. Poor Oral Hygiene

Inadequate oral hygiene can lead to bacterial growth in the mouth, producing foul odors or bad breath. These odors may affect the perceived taste of food, making it seem sour or bitter. It is advisable to develop the habit of brushing teeth in the morning and evening and rinsing the mouth after meals to remove food residues and alleviate symptoms.

3. Chronic Gastritis

Chronic gastritis results from long-term inflammation of the gastric mucosa, often causing increased or abnormal secretion of gastric acid or acid reflux, leading to indigestion and stomach discomfort, which manifest as the aforementioned symptoms. Patients may take medications such as omeprazole enteric-coated capsules, rabeprazole sodium enteric-coated tablets, or aluminum magnesium carbonate tablets under medical guidance. These medications should be taken with warm water.

4. Cholecystitis

Cholecystitis is a condition caused by gallbladder inflammation or gallstones, often accompanied by impaired bile secretion or bile reflux into the stomach. This increases gastric acidity and causes stomach discomfort, resulting in a sour or bitter taste. It is recommended to take medications such as ursodeoxycholic acid tablets, atropine sulfate tablets, or anti-inflammatory and cholagogue tablets under a doctor’s supervision. Taking medication half an hour after meals can reduce irritation to the gastrointestinal mucosa.

5. Reflux Esophagitis

Reflux esophagitis is a disease caused by erosion of the esophageal mucosa due to gastric acid reflux, commonly accompanied by difficulty swallowing, retrosternal pain, and a sour taste in food. Patients may use medications such as cimetidine tablets, ranitidine hydrochloride capsules, or domperidone tablets under medical guidance.

In daily life, it is important to develop healthy living habits and pay attention to dietary adjustments. A high-protein, low-fat diet is recommended, including foods such as chicken, shrimp, and eggs, to provide essential nutrients and support recovery.