What causes sore mouth
Recently, the health topic of "sour mouth" has triggered widespread discussion on social media. Many netizens report frequent sourness in the mouth or abnormal saliva secretion, especially when accompanied by symptoms such as loss of appetite and acid reflux. This article combines the popular health information and medical information on the Internet in the past 10 days to systematically analyze the common causes of sore mouth and solutions.
1. Data related to recent hot health topics

| Hot search keywords | Discuss the popularity index | Main associated symptoms |
|---|---|---|
| acid reflux | 87,000 | Heartburn, sore mouth, belching |
| Oral flora imbalance | 52,000 | Bitter mouth, sour mouth, thick tongue coating |
| Vitamin B deficiency | 39,000 | Ulcers at the corners of the mouth and sticky saliva |
2. Analysis of the main causes of sour mouth
1. Digestive system problems (42%)
•gastroesophageal reflux: Gastric acid refluxes into the mouth causing acidic irritation
•chronic gastritis: Abnormal gastric acid secretion triggers oral related reactions
•dietary stimulation: Excessive intake of coffee, alcohol or high-sugar foods
2. Abnormal oral environment (35%)
•Changes in saliva composition: Decreased salivary pH due to dehydration or medication side effects
•Dental caries/periodontal disease: Bacterial metabolites trigger acidic environment
•Dentures don't fit properly: Electrolysis of metal materials produces odor
3. Systemic factors (accounting for 23%)
•psychological stress: Anxiety states affect autonomic nervous regulation
•Endocrine disorders: Hormone changes during pregnancy or menopause
•respiratory diseases: Postnasal drip irritates oral mucosa
3. Recent hotly discussed cases among netizens
| Case type | Typical symptoms | Reason for diagnosis |
|---|---|---|
| office workers | Sore mouth + foreign body sensation in throat when waking up in the morning | acid reflux at night |
| fitness crowd | Metallic taste after exercise | electrolyte imbalance |
| elderly group | Dentures sore after wearing them | Improper cleaning of dentures |
4. Advice from medical experts
1.short term relief options
• Neutralize oral acidity by taking alkaline foods (such as sugar-free yogurt)
• Use fluoride mouthwash to regulate bacterial flora balance
• Maintain a daily water intake of more than 1.5L
2.Indications for medical examination
• With retrosternal pain or difficulty swallowing
• Mouth soreness lasting more than 72 hours
• Black, tarry stools
5. Ranking of preventive measures
| measures | Difficulty of implementation | efficient |
|---|---|---|
| Fasting 3 hours before going to bed | ★☆☆☆☆ | 89% |
| Use a sloped pillow | ★★☆☆☆ | 76% |
| Teeth cleaning regularly | ★★★☆☆ | 92% |
Note: The data in this article are based on recent discussions on Dr. Dingxiang, Zhihu Health Topics and Weibo Health Super Talk. The statistical period is November 1-10, 2023. Individual symptoms vary, and it is recommended that those who continue to feel unwell seek medical examination as soon as possible.
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