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Natural Mouth Ulcer Remedies

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Published date field Last Updated: 25 Oct 2023

Medically Reviewed By Colgate Global Scientific Communications

Mouth ulcers can appear at any time and often for no apparent reason. Although over-the-counter treatments are available, home remedies may also reduce the pain and irritation and promote healing. Here are some suggestions on how to get rid of mouth ulcers naturally.

Remember to consult your dentist if you have concerns about your oral health, as home treatments do not replace professional care.

1. Salt Water

A salt water rinse may help dry out mouth ulcers. Dissolve one teaspoon of regular household salt in half a cup of warm water and swirl the solution around your mouth for 15 to 30 seconds before spitting it out. You can continue to rinse with salt water every few hours if needed.

2. Clove Oil

Mouth ulcers can be painful, and clove oil has been known to provide relief for mouth pain. A study published in Contemporary Clinical Dentistry reports that a herbal dental gel made primarily of clove oil successfully manages pain when applied to the irritated part of the mouth. You can buy a bottle of clove oil at your local pharmacy.

3. Zinc Supplements

Deficiencies in iron, folic acid, vitamin B12 or zinc can cause mouth ulcers. Taking zinc supplements may reduce the frequency of your mouth ulcers and boost your immune system. When taking zinc supplements, always follow the supplier's directions.

4. Aloe Vera

Aloe vera may reduce the pain caused by mouth ulcers and speed up the healing process. Apply gel from the plant directly to the mouth ulcer or drink aloe vera juice. Aloe vera may also treat other oral ailments, like chapped lips and cold sores.

5. Coconut Oil

Coconut oil is antimicrobial and fights against some of the harmful strains of bacteria in the mouth. Swishing a tablespoon of coconut, sesame or other edible oil in the mouth is an ancient practice known as oil pulling. A study published in the Journal of Traditional and Complementary Medicine finds that swishing coconut oil daily reduces plaque and that the oil's lauric acid helps with sores.

6. Apple Cider Vinegar

Apple cider vinegar is a popular home remedy for a variety of ailments. Its ability to destroy bacteria may help clear up your mouth ulcer. However, the vinegar may sting when it comes in contact with the ulcer, so try another remedy if you're experiencing pain. Mix one teaspoon of apple cider vinegar into one cup of water and rinse with the solution for 30 seconds to one minute. After spitting, rinse your mouth with plain water to prevent the vinegar from damaging your tooth enamel. Only rinse with apple cider vinegar once a day.

When you're looking for how to get rid of mouth ulcers naturally, you'll see there are a variety of treatments available. What works for one person may not work for another, so don't be afraid to try different natural remedies. If your ulcer doesn't heal or it worsens, see your dentist or doctor for professional care.

7. Over-the-Counter Solutions

Luckily, there are mouth ulcer treatment products to help with the healing process and to dull the pain. One of the common pain relief methods for mouth ulcer treatment is swishing your mouth with an antibacterial rinse. We recommend using Colgate Peroxyl Medicated Mouthwash. Alcohol-free formulas not only cleanse the mouth but also soothe the irritation, even in sensitive mouths. These formulas can provide a refreshing flavour and most dentists recommend that they contain hydrogen peroxide.

You can also apply a special paste to cover the sore to provide protection and promote healing. You will feel automatic relief as the analgesic benzocaine starts to work.


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This article is intended to promote understanding of and knowledge about general oral health topics. It is not intended to be a substitute for professional advice, diagnosis or treatment. Always seek the advice of your dentist or other qualified healthcare provider with any questions you may have regarding a medical condition or treatment.