1. Yogurt
Yogurt is a popular treat during the summer. Not only that, but yogurt can also be used as a simple and effective remedy for canker sores. This is because yogurt contains many probiotics that help balance bacteria in the mouth and body. When dealing with canker sores, eating becomes more difficult, but regularly consuming yogurt will help the sores heal faster. According to doctors, yogurt contains beneficial bacteria that help reduce body heat. Additionally, yogurt is a soft food that prevents the sores from being irritated and helps them heal more quickly.
How to use:
- Eating yogurt frequently will help heal mouth ulcers and prevent new canker sores from developing. Also, applying yogurt to the affected areas will quickly soothe the sores.
- During the days when you have canker sores, doctors recommend consuming 2 - 3 cups of yogurt daily for optimal health benefits.


2. Coconut Flesh
Coconut is a fruit rich in carbohydrates and widely grown in Vietnam. In 1 liter of fresh coconut water, there are approximately 4g of protein, 48g of carbohydrates, 20g of organic acids, and 4g of minerals. Traditional medicine considers coconut to have a sweet taste, neutral properties, and health benefits such as promoting fluid production, aiding urination, eliminating bacteria, nourishing the body, enhancing energy, expelling wind, treating coughs, inflammation, thirst, heat damage, nausea, diarrhea, edema, reduced urination, parasitic infections, pest control, skin ulcers, and dermatitis. It is particularly effective in treating canker sores.
How to use:
- Grind coconut flesh into a paste, then squeeze out the juice and use it to rinse your mouth 3-4 times a day.
- Alternatively, blend a piece of coconut flesh, extract the juice, and drink it before bed and in the morning. This method will both cleanse the mouth and help the sores heal faster.


3. Sour Starfruit
In traditional medicine, starfruit is known for its sweet-sour taste and neutral properties. It is considered non-toxic and is believed to help with diuresis, heat relief, generating body fluids, detoxifying, and treating inflammatory conditions. On the other hand, starfruit leaves are bitter and cooling, making them useful for treating abscesses and skin conditions caused by excessive internal heat. Imagine dealing with canker sores daily, the painful blisters inside your mouth that sting whenever you speak, open your mouth, or even just move your jaw slightly. Eating and drinking become difficult, and there seems to be no immediate remedy to relieve the pain.
Some people turn to medicinal products to cool the sores, but these are only temporary solutions, and the sores may worsen over time. The most effective remedy is to try natural treatments that can heal canker sores without side effects.
Method:
- Crush 2-3 sour starfruits, then pour boiling water over them and let it boil for a while. Wait for the solution to cool, then gargle and swallow gradually, repeating several times a day. After 2-3 days of consistent use, the sores will reduce in pain and swelling significantly.
- Alternatively, you can crush the leaves of the starfruit and apply them directly to the painful area to reduce swelling caused by heat, relieve pain, and detoxify.


4. Radish
Radish is commonly used as a vegetable and can be prepared in various dishes such as boiled, stewed with meat or fish, or pickled... all of which are quite delicious. Additionally, with its spicy taste and cooling properties, radish serves as an effective remedy for treating canker sores. White radish contains 92% water, 1.5% protein, 3.7% carbohydrates, and 1.8% cellulose. The leaves and sprouts contain essential oils and a significant amount of vitamins A and C, which help cool the body and reduce internal heat.
Method:
- Select around 300g of radish, wash it thoroughly, peel it, and cut it into small pieces. Crush the pieces and squeeze out the juice, then mix with a little water and use as a mouthwash three times a day. Continue this for two days to see improvement.


5. Sweet Leaf
Sweet leaf, also known as Homalomena occulta, is a small plant that can grow up to 1.5 meters tall. Its leaves are alternate, up to 5-6 cm long and 3 cm wide, with short petioles and two small accompanying leaflets. The leaves are oval or elliptical in shape. Flowers grow in leaf axils, and the seeds are marked with fine veins. According to traditional medicine, sweet leaf is known for its cooling properties, promoting better blood circulation, diuresis, and rapid detoxification in the body.
Method:
- Prepare a bunch of sweet leaf, strip off all the leaves, and wash them thoroughly. Next, crush the leaves and extract the juice. Mix the juice with a tablespoon of honey and apply the mixture to the affected area. Repeat this 2-3 times a day for consistent results. This remedy is both safe and inexpensive, and it is widely used by many.
- Additionally, you can also incorporate sweet leaf soup into your meals to help cool your body from within.


6. Fish Mint
Fish mint, also known as Houttuynia cordata, has long been used as a culinary herb to stimulate digestion, enhance the flavor of dishes, and make food more enjoyable. However, few are aware of its remarkable effectiveness in treating canker sores. Fish mint has a spicy, slightly cooling taste and is known for its heat-clearing, detoxifying, and antiseptic properties. Recent medical research has revealed that fish mint also has antibacterial and antiparasitic properties, making it a powerful remedy for canker sores.
Method:
- Take about 100g of young or medium-aged fish mint, wash it thoroughly, and allow it to drain. Next, use a blender to puree the leaves, then strain the mixture to extract the juice. Have the person with canker sores drink the juice. It is recommended to drink 2-3 times a day until the condition improves.


7. Treating canker sores with arrowroot powder
According to Traditional Chinese Medicine, arrowroot powder has a sweet, slightly spicy taste and a neutral property. It works by entering the spleen, stomach, lungs, and bladder, helping to clear heat and toxins from the body, thus cooling and soothing it. Arrowroot powder is commonly used to treat ailments like colds, fevers, headaches, boils, and rashes. Due to its detoxifying and cooling effects, arrowroot powder is also used as a remedy for canker sores, rapidly reducing mouth ulcers and promoting healing in a cost-effective manner.
Method:
- Method 1: Mix about 2 teaspoons of arrowroot powder with 250ml of cold water, add a little sugar, and stir until the powder dissolves completely. Drink immediately. Take 2-3 servings daily to quickly relieve canker sores.
- Method 2: Mix 2 teaspoons of arrowroot powder with 250ml of cold water, add sugar, and cook the mixture in a small pot, stirring constantly. Heat until the mixture becomes transparent and thickens, then remove from heat. Allow it to cool, and consume twice a day to speed up recovery from canker sores.


8. Oral ulcer ointments
In addition to the methods above, you can also use ointments for mouth ulcers, which can help heal them quickly:
- Oracortia Ointment: This is a mouth and throat ointment manufactured under a Thai patent. Oracortia helps alleviate temporary symptoms of inflammation or ulceration in the oral cavity due to injury.
- Kamistad Gel N: A gel applied to the mouth to treat gum pain, inflammation of the oral mucosa, and lips. With its pain-relieving and antiseptic properties, Kamistad Gel N is also suitable for individuals wearing dentures, as it helps relieve discomfort from pressure points during the adaptation phase.
- Zytee Ointment: Zytee is a fast-acting pain reliever, reducing discomfort within 3 to 4 minutes after application, with effects that may last for hours. Its pain-relieving action is due to Benzalkonium chloride, which acts by disrupting bacterial cell membranes. It is commonly used to treat mouth ulcers, toothaches, gingivitis, tongue inflammation, and other oral lesions.
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9. Honey
Honey is considered a powerful remedy for mouth ulcers. Its antibacterial and anti-inflammatory properties help kill bacteria and regenerate tissue, making it highly effective in healing mouth sores. When it comes to mouth ulcers, honey can be particularly effective in healing painful lesions and reducing redness in the mouth. Studies show that if pure honey is applied to mouth ulcers consistently for 8 days, with multiple applications per day, the sores will completely heal without causing any complications.
In addition, honey provides quick pain relief, often more effective than other treatments for mouth ulcers. A 30% honey solution has been shown to inhibit or eliminate most types of fungi and bacteria, while its sweet taste makes it pleasant to use.
Methods of Use:
- Method 1: You can suck on honey or use a cotton swab to apply honey directly to the affected areas. Repeat this three times a day after meals, and you will see significant improvement in the symptoms of mouth ulcers, with sores gradually disappearing after 3 days.
- Method 2: You can mix honey with pure turmeric powder to create a thick paste, then apply it to the ulcers using a cotton cloth. Wait for about 1 minute and then rinse your mouth thoroughly. Repeat this process three times a day.
- Method 3: Instead of applying honey directly, you can also suck on honey and swish it around your mouth for 1-2 minutes, focusing on the ulcerated areas. Afterward, swallow the honey, which can also be beneficial for your stomach. This method is simple and highly effective, with mouth ulcers typically healing within 3 days. Be sure to rinse your mouth with clean water afterward.


10. Eggplant
Eggplant is a fruit rich in vitamins and low in calories, commonly used in everyday cooking. According to Traditional Chinese Medicine, eggplant has a cooling property, helps clear heat, reduce fire, promotes bowel movements, and detoxifies the body. Consuming eggplant in meals can help treat conditions like low blood pressure, acute bronchitis, and strengthen teeth. Therefore, eggplant is excellent for treating mouth ulcers.
Eggplant, also known as goat’s eggplant or long eggplant, not only strengthens teeth but is also a wonderful natural remedy for treating mouth ulcers with simple preparation. The advantage of this method is its safety, gentleness, and quick effectiveness.
Instructions:
- Take about 2 eggplants, slice them thinly, and boil for about 10 minutes. Drink the water while it's still warm. If you catch it early, one dose should be enough to heal.
- If the ulcer becomes large and pus-filled, use 6 eggplants divided into 3 doses, consuming them in the afternoon. You’ll notice pain relief almost immediately, and the ulcer will heal quickly.


11. Aloe Vera
According to scientific studies, the components in aloe vera have strong antiseptic and numbing properties. Aloe vera also has the ability to disinfect, clear heat, and soothe pain. The gel from aloe vera is highly antibacterial, which helps wounds heal quickly and is perfect for treating sores caused by canker sores. Regardless of the method used, you should apply aloe vera gel 2-3 times a day. After 3-5 days, the canker sores will subside, and you'll no longer have to endure the pain caused by the sores.
How to use:
- Method 1: Cut off the skin of the aloe vera, extract the gel, and apply it directly to the canker sores. Apply several times to allow the antibacterial properties to penetrate, which helps reduce pain, swelling, and promotes faster healing.
- Method 2: Remove the skin of the aloe vera, clean it to remove the yellowish sticky substance, then slice the aloe vera into thin pieces and place them on the canker sores. This method will provide surprising results.
- Method 3: Use herbal mouthwashes that contain aloe vera extracts to rinse your mouth. This will accelerate the healing of canker sores.


