How to treat mouth ulcers caused by internal heat

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Fire in TCM Theory
"Fire" in TCM theory refers to an internal physiological condition, which Western medicine has not yet fully supported. TCM experts discuss the deeper meaning of "fire," which encompasses a broader range of symptoms. For example, stomach fire may manifest as stomach pain and dry stools, lung fire as hemoptysis, coughing, and yellow phlegm, and liver fire as irritability, insomnia, and breast tenderness in women. The human body naturally contains "fire," as the absence of it would halt life—this is known as the "life fire." However, fire must remain within a certain range. For instance, body temperature should be around 37°C. If fire becomes excessive, discomfort arises, accompanied by symptoms like redness, swelling, heat, pain, and restlessness. In a sense, "fire gives life, while its absence takes it." Within normal limits, fire is necessary, but beyond that, it becomes "pathogenic fire."
Types of Pathogenic Fire
Pathogenic fire is divided into deficiency fire and excess fire. In a healthy body, yin and yang are balanced. Excess fire occurs when yin is normal but yang is overly active, while deficiency fire occurs when yang is normal but yin is insufficient, making yang appear excessive.
What Does "Fire Rising" Mean?
The term "rising fire" () refers to the location where symptoms manifest and the act of producing fire. While most people associate fire symptoms with the head and face, TCM views the body as interconnected, meaning all parts may show varying degrees of manifestation.
Sources of Pathogenic Fire
Most pathogenic fire originates internally, with external factors or causes acting as triggers. Overall, it is caused by an imbalance of yin and yang.
External Fire
The most typical manifestation of external fire is heatstroke, usually occurring in high temperatures, dehydration, and stuffy environments. This raises body temperature and is a classic case of external fire. Generally, internal fire is more common than external fire, especially in modern people who experience stress, irregular sleep, and spicy diets.
Perception of Fire
Many consider fire a minor issue, believing medication or self-regulation can resolve it. While mild cases of fire can be self-regulated, special attention is needed for vulnerable groups like the elderly or those with chronic conditions (e.g., cardiovascular diseases).
Treatment for Fire
Commonly used herbs include:
- Nourishing yin herbs: Tian, Mai, Xuan
- Clearing heat and detoxifying herbs: Da, Huang, Huang
- Anti-inflammatory herbs: Lian, Jin, Da
Additionally, TCM methods like acupuncture, cupping, massage, and moxibustion can help.
Lifestyle Adjustments
- Balance work and rest
- Eat more vitamin-rich fruits and vegetables
- Drink plenty of water, avoid sweet and sour drinks
- Reduce spicy, fried, greasy foods, and smoking/alcohol
Maintaining a positive attitude is the best "fire extinguisher."
Suitability of Fire-Cooling Herbs
Not everyone is suitable for these herbs. Fire is categorized as deficiency or excess, and depends on whether it is liver fire, lung fire, or another type. Medication should not be taken casually and must be under medical guidance.
Fruits to Avoid
Certain fruits are "hot" in nature, such as lychees, tangerines, pineapples, longans, and pomegranates. Foods like garlic, ginger, chili peppers, alcohol, and Sichuan spicy hotpot are also prone to causing fire.
Milk and Fire
TCM considers milk a byproduct of cow blood, making it nutritious, but excessive consumption can still cause fire, especially in summer. Milk is rich in protein and minerals.
Relieving Stomach Fire
Symptoms include bad breath, dry stools, bitter taste, and belching. Western medicine often links this to Helicobacter pylori infection, while TCM attributes it to excessive stomach fire or, sometimes, liver fire. Treatment focuses on dietary adjustments, hydration, and lifestyle changes. For stomach fire, herbs like San Huang Pian may be used; for liver fire, Dan Shen Xiao Yao.
Herbal Teas for Fire
- Green tea: Cool and clears fire
- Black tea: Warm and not recommended for those prone to fire
Other easy remedies include mung bean soup. The choice depends on your constitution. For those with cold deficiency, black tea can be beneficial, while those prone to fire may drink green tea.
Oral Ulcers (Canker Sores)
Oral ulcers are the most common oral mucosal disease, with a prevalence rate exceeding 10%. They affect all age groups, most commonly middle-aged adults. Characterized by recurrent, localized ulcers, they may heal on their own but often recur, worsening pain, size, and frequency. Treatment is primarily symptomatic, aiming to reduce pain and recurrence but not fully prevent them. Prevention is key.
Preventive Measures
- Maintain oral hygiene
- Use saltwater rinses
- Avoid smoking/drinking
- Maintain a regular routine and sufficient sleep
- Exercise, eat a diet, and consume fruits/vegetables
- Women should rest during menstruation, stay positive, avoid fatigue, and eat lightly
Warning for Persistent Ulcers
Long-standing ulcers may become cancerous, especially if irritated by sharp dental edges or ill-fitting dentures. Such ulcers should be examined by a doctor, with possible biopsies for diagnosis.
14 Simple Remedies for Oral Ulcers
1. Eggs: Mix eggs with cooled mung bean water (uncooked) and drink twice daily.
2. Liu Shen Wan: Crush 30 pills into a paste, apply with a cotton swab after oral cleaning.
3. Yunnan Baiyao: Apply externally twice daily.
4. Whole Milk: Mix with sugar and drink twice daily.
5. Watermelon: Suck on juice for 2–3 minutes, repeat.
6. Vitamin C: Crush pills and apply to ulcers.
7. Methylguanidine: Apply crushed pills with a cotton swab.
8. Liu Wei Di Huang Wan: Take 6–8 grams twice daily.
9. Strong Tea: Soothes ulcers due to tannins.
10. Gentamicin: Apply with a cotton swab after rinsing.
11. Tomatoes: Suck on juice.
12. Shi Feng: Dissolve or add to porridge.
13. Banana Leaves: Apply heated leaves to ulcers.
14. Ethanol: Clean ulcers with 95% alcohol.
Types of Oral Ulcers
1. Recurrent mild ulcers: Self-limiting, painless, no scars.
2. Recurrent aphthous stomatitis: More severe, may leave scars.
3. Recurrent necrotizing stomatitis: Involves deeper tissue.
Vitamins for Oral Ulcers
B vitamins (B2, B6) are effective. Some report complete healing overnight. Deficiency in B2 can cause angular cheilitis, eye irritation, and anal ulcers. B6 deficiency leads to seborrheic dermatitis.
Causes of Oral Ulcers
- Digestive issues (bloating, diarrhea, constipation)
- Hormonal changes (e.g., estrogen drop during menstruation)
- Stress and nervous system dysfunction
- Genetic predisposition (80–90% if both parents have it)
- Nutrient deficiencies (zinc, iron, folic acid, B12)
Why Do Ulcers Recur?
- Microbial infections
- Malnutrition
- Digestive disorders
- Mineral deficiencies
- Hormonal imbalances
- Stress, fatigue, colds
Menstrual-Related Ulcers
Often linked to progesterone increase and estrogen decrease.
Danger of Recurrent Ulcers
If ulcers persist or appear elsewhere (e.g., genital ulcers), it may indicate Beh?et’s disease (a rare autoimmune condition). Symptoms include eye pain, vision loss, and genital sores. TCM calls it "Hú Huò" (), associated with yin deficiency and damp-heat. Treatment involves clearing heat, detoxifying, and balancing yin-yang.
Iron/Zinc Deficiency and Ulcers
Oral ulcers are common, often triggered by stress, poor diet, or deficiencies. No cure exists yet, but a balanced diet and avoiding triggers can reduce recurrence.
14 Simple Remedies for Oral Ulcers
(Repeats the previously listed remedies)
Oral Ulcers in Summer
Oral ulcers are common in summer, often blamed on "fire." TCM categorizes them as "heart fire," "spleen-stomach heat," "yin deficiency fire," or "spleen-stomach cold." Dietary remedies include:
- Heart fire/spleen-stomach heat: Bamboo leaf congee
- Yin deficiency fire: Mai, Tian, Xuan congee
- Spleen-stomach cold: Li Zhong congee
Preventive measures include avoiding spicy foods, staying hydrated, and maintaining regular bowel movements.
Oral Ulcer Diet Remedies
- Honey rinse: 10% honey solution
- Honey therapy: Apply honey to ulcers, swallow after 15 minutes
- Zinc sulfate: 40–80 mg, 3 times daily for 5–7 days
- Wood ear mushrooms: Boil with hawthorn and dates
- Walnuts: Decoction, 3 times daily
- Rose petals with honey: Apply to ulcers
- Vitamin C: Crush pills and apply
- Milk: Mix with sugar and drink
Oral Ulcers and Underlying Conditions
Oral ulcers may signal systemic diseases like Beh?et’s, HIV, or leukemia. Chronic ulcers should be examined by a doctor.
14 Simple Remedies for Oral Ulcers
(Repeats the previously listed remedies)
Types of Oral Ulcers
1. Recurrent mild ulcers: Self-limiting, painless, no scars.
2. Recurrent aphthous stomatitis: More severe, may leave scars.
3. Recurrent necrotizing stomatitis: Involves deeper tissue.
Vitamins for Oral Ulcers
B vitamins (B2, B6) are effective. Deficiency in B2 can cause angular cheilitis, eye irritation, and anal ulcers. B6 deficiency leads to seborrheic dermatitis.
Causes of Oral Ulcers
- Digestive issues (bloating, diarrhea, constipation)
- Hormonal changes (e.g., estrogen drop during menstruation)
- Stress and nervous system dysfunction
- Genetic predisposition (80–90% if both parents have it)
- Nutrient deficiencies (zinc, iron, folic acid, B12)
Why Do Ulcers Recur?
- Microbial infections
- Malnutrition
- Digestive disorders
- Mineral deficiencies
- Hormonal imbalances
- Stress, fatigue, colds
Menstrual-Related Ulcers
Often linked to progesterone increase and estrogen decrease.
Danger of Recurrent Ulcers
If ulcers persist or appear elsewhere (e.g., genital ulcers), it may indicate Beh?et’s disease (a rare autoimmune condition). Symptoms include eye pain, vision loss, and genital sores. TCM calls it "Hú Huò" (), associated with yin deficiency and damp-heat. Treatment involves clearing heat, detoxifying, and balancing yin-yang.
Iron/Zinc Deficiency and Ulcers
Oral ulcers are common, often triggered by stress, poor diet, or deficiencies. No cure exists yet, but a balanced diet and avoiding triggers can reduce recurrence.
14 Simple Remedies for Oral Ulcers
(Repeats the previously listed remedies)
Oral Ulcers in Summer
Oral ulcers are common in summer, often blamed on "fire." TCM categorizes them as "heart fire," "spleen-stomach heat," "yin deficiency fire," or "spleen-stomach cold." Dietary remedies include:
- Heart fire/spleen-stomach heat: Bamboo leaf congee
- Yin deficiency fire: Mai, Tian, Xuan congee
- Spleen-stomach cold: Li Zhong congee
Preventive measures include avoiding spicy foods, staying hydrated, and maintaining regular bowel movements.
Oral Ulcer Diet Remedies
- Honey rinse: 10% honey solution
- Honey therapy: Apply honey to ulcers, swallow after 15 minutes
- Zinc sulfate: 40–80 mg, 3 times daily for 5–7 days
- Wood ear mushrooms: Boil with hawthorn and dates
- Walnuts: Decoction, 3 times daily
- Rose petals with honey: Apply to ulcers
- Vitamin C: Crush pills and apply
- Milk: Mix with sugar and drink

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