Stomatitis - Qing Liang Yin

Qing Liang Yin – Clearing and Cooling Decoction

Introduction to Stomatitis due to Stomach Heat

In Traditional Chinese Medicine (TCM), oral ulcers are often associated with Stomach Heat (accumulated heat in the Stomach and Middle Jiao). When Stomach Heat rises, symptoms may appear such as excessive thirst, dry mouth, halitosis, irritability, and a dry red tongue. This condition easily leads to oral ulcers, stomatitis, and foul breath. To treat it, prescriptions that clear heat, cool the blood, detoxify, regulate qi and blood, and refresh the upper burner are required.

Qing Liang Yin (Clearing and Cooling Decoction)

Main Actions: Clears heat, cools blood, detoxifies, refreshes the Upper and Middle Jiao, and alleviates oral ulceration.

Composition and Functions of Each Herb

• Huang Qin (Scutellariae Radix, 12g): Clears heat, dries dampness, detoxifies, cools blood, pacifies the Liver, and drains fire.
• Bo He (Menthae Haplocalycis Herba, 8g): Disperses wind-heat, clears the head and eyes, benefits the throat, regulates qi, and relieves restlessness.
• Xuan Shen (Scrophulariae Radix, 6g): Clears heat, cools blood, nourishes yin, detoxifies, and reduces oral ulceration.
• Dang Gui (Angelicae Sinensis Radix, 1–2g): Tonifies and invigorates blood, alleviates pain, and reduces inflammation.
• Bai Shao (Paeoniae Alba Radix, 12g): Nourishes blood, preserves yin, harmonizes Liver and Spleen; combined with Dang Gui to nourish blood and relieve oral pain.
• Gan Cao (Glycyrrhizae Radix, 6g): Clears heat, detoxifies, harmonizes the formula, reduces toxicity, and benefits the throat.

Formula Functions

• Clears heat and detoxifies the Upper and Middle Jiao.
• Cools blood, nourishes yin, reduces oral inflammation and burning pain.
• Pacifies the Liver, regulates qi, and relieves irritability.

Indications – Clinical Applications

• Pattern of Stomach Heat: Dry mouth with thirst, oral ulcers, halitosis, dry red tongue, vexation.
• Diseases treated: Stomatitis, canker sores, oral ulcers, glossitis, pharyngitis, halitosis, and ulcerations due to heat toxin.

Modifications

• With constipation caused by heat accumulation: add Da Huang (Rhei Radix et Rhizoma) to purge downward and clear excess fire.

Duration of use:
1–2 weeks, or until symptoms subside.

Conclusion

Qing Liang Yin (Clearing and Cooling Decoction) is a classical formula with remarkable efficacy in clearing heat, cooling blood, detoxifying, and treating oral ulcerations due to Stomach Heat. The harmonious combination of heat-clearing, blood-cooling herbs with blood-tonifying and qi-regulating ingredients effectively relieves pain, soothes irritability, and improves systemic symptoms such as thirst, halitosis, and dry tongue.

Dietary Guidelines:
During the treatment of oral ulcers, patients should prioritize soft, easy-to-swallow, and cooling foods such as porridge, soups, boiled vegetables, and water-rich fruits (watermelon, pear, apple). Avoid spicy foods, greasy fried dishes, sweets, sour foods, alcohol, and tobacco, as these can worsen ulcers by increasing stomach heat. Drink plenty of water. Supplementing with vitamin C- and zinc-rich foods may help promote faster healing.

Other Care Recommendations:
Rinse the mouth 3 - 5 times daily with a light saline solution (preferably Himalayan pink salt).
Rinse the mouth 3 - 5 times daily with water infused with chamomile essential oil or with a decoction of chrysanthemum flowers (the traditional yellow chrysanthemum variety is most effective).

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