Coconut Oil for Mouth Ulcers: A Natural Remedy to Soothe and Heal
Explore the benefits of coconut oil for mouth ulcers in this detailed guide. Learn how its anti-inflammatory and antibacterial properties can naturally soothe pain and promote faster healing.

Written by Dr.Sonia Bhatt
Last updated on 3rd Jul, 2025

Mouth ulcers, also known as canker sores or aphthous ulcers, are painful, open sores that can develop on the soft tissues inside the mouth, including the gums, tongue, and inner cheeks. These ulcers can make eating, drinking, and speaking uncomfortable, often leaving people searching for effective remedies to alleviate their symptoms and promote faster healing.
Among the many natural remedies that have gained popularity for treating mouth ulcers, coconut oil stands out due to its numerous potential benefits. This versatile oil can help reduce pain, inflammation, and promote faster healing. In this article, we explore why coconut oil is effective for mouth ulcers and how to use it safely in your treatment.
What Are Mouth Ulcers?
Mouth ulcers are small, painful sores that develop on the soft tissues inside the mouth, often with a white or yellow centre and a red border. While the exact cause of mouth ulcers is not always clear, they can be triggered by a variety of factors, including:
Stress: Emotional stress can weaken the immune system, making it easier for ulcers to form.
Injury or trauma: Accidental biting of the cheek or irritation from sharp dental appliances like braces or dentures can lead to ulcers.
Nutritional deficiencies: Deficiencies in essential vitamins and minerals, especially vitamin B12, iron, and folic acid, can contribute to the development of ulcers.
Hormonal changes: Hormonal fluctuations, particularly in women during menstruation, may increase the likelihood of developing mouth ulcers.
Food sensitivities: Certain acidic or spicy foods can irritate the mouth lining and trigger an ulcer.
Although mouth ulcers are generally not contagious and tend to resolve on their own within a week or two, they can be extremely uncomfortable, prompting many to seek remedies to alleviate the symptoms and promote healing.
Coconut Oil: A Versatile Natural Remedy
Coconut oil, derived from the flesh of mature coconuts, has long been used in traditional medicine due to its various health benefits. It is especially known for its antimicrobial, anti-inflammatory, and soothing properties, making it a popular choice for managing mouth ulcers. Here’s how coconut oil can help:
1. Antimicrobial Properties
Coconut oil contains a unique combination of fatty acids, including lauric acid, caprylic acid, and capric acid, which have demonstrated antimicrobial effects. Lauric acid, in particular, has been shown to kill harmful bacteria, viruses, and fungi. By applying coconut oil to mouth ulcers, you may help prevent secondary infections that can prolong the healing process and contribute to further pain and irritation.
2. Anti-inflammatory Effects
The inflammation associated with mouth ulcers can be intensely painful, often making it difficult to eat or speak. Coconut oil has natural anti-inflammatory properties that can help reduce swelling and irritation around the ulcer. By calming the inflammatory response, coconut oil may provide much-needed relief from the discomfort associated with mouth ulcers.
3. Promotes Healing
Coconut oil is rich in medium-chain fatty acids (MCFAs), which are known to aid in tissue repair and promote healing. These fatty acids can help regenerate the damaged tissues of the mouth, potentially speeding up the recovery process and reducing the duration of the ulcer.
4. Soothes and Moisturises
Dry, cracked, or irritated skin can worsen the pain of mouth ulcers. Coconut oil has excellent moisturising properties, which can help keep the affected area hydrated. This can provide relief from the discomfort caused by dryness and may prevent further damage to the ulcerated area.
5. Pain Relief
Coconut oil is thought to have mild analgesic (pain-relieving) properties, which can help numb the area and reduce discomfort when applied to the ulcer. This soothing effect may make it easier to eat, drink, and speak without experiencing excessive pain.
How to Use Coconut Oil for Mouth Ulcers
Using coconut oil for mouth ulcers is simple, and there are several ways to incorporate it into your oral care routine. Here are some of the most effective methods:
1. Direct Application
The most straightforward method is to apply coconut oil directly to the ulcer. Use a clean cotton swab or your finger to gently dab a small amount of coconut oil onto the ulcerated area. Repeat this process two to three times a day, especially after meals or before bed, to ensure that the ulcer remains coated and protected throughout the day.
2. Oil Pulling
Oil pulling is an ancient ayurvedic practice that involves swishing oil around in the mouth for several minutes to promote oral health and hygiene. To use coconut oil for oil pulling, take a tablespoon of coconut oil and swish it around in your mouth for about 10-15 minutes. This can help cleanse the mouth, reduce bacteria, and promote the healing of mouth ulcers. Afterward, spit out the oil (do not swallow it), rinse your mouth with warm water, and brush your teeth as usual.
3. Coconut Oil Mouthwash
For a more potent treatment, you can create a simple mouthwash using coconut oil and a few drops of essential oils such as tea tree or peppermint oil, both of which have antimicrobial properties. Mix one tablespoon of coconut oil with a drop or two of essential oil and dilute it with a small amount of warm water. Take the mixture in your mouth for a few minutes before spitting it out. This may help further reduce bacteria in the mouth and provide relief for mouth ulcers.
4. Coconut Oil and Aloe Vera Gel
Aloe vera is another natural ingredient known for its soothing and healing properties, making it a perfect combination with coconut oil for treating mouth ulcers. Mix a small amount of pure coconut oil with aloe vera gel and apply it directly to the ulcer. This combination can help soothe the ulcer, reduce inflammation, and speed up healing.
Precautions When Using Coconut Oil for Mouth Ulcers
While coconut oil is generally safe for most people, there are a few things to keep in mind before using it for mouth ulcers:
Quality of Coconut Oil: Always use organic, virgin coconut oil, as this type of coconut oil is minimally processed and retains the highest levels of beneficial compounds.
Allergies: Although rare, some people may have an allergic reaction to coconut oil. If you experience any irritation or discomfort after applying coconut oil, discontinue use immediately and consult with your doctor.
Consult a Dentist or Doctor: If your mouth ulcers persist for more than two weeks, or if they are particularly large, severe, or recurrent, it is essential to seek professional advice from a dentist or doctor. While coconut oil may help with mild cases, some ulcers may require more targeted treatment.
Conclusion
Coconut oil is a natural remedy with a wide range of health benefits, and it may offer significant relief for those suffering from mouth ulcers. Its antimicrobial, anti-inflammatory, and healing properties can help reduce pain, inflammation, and the risk of secondary infections, all while promoting faster healing. Whether applied directly to the ulcer, used in oil pulling, or combined with other natural ingredients like aloe vera, coconut oil can be an effective and soothing addition to your oral care routine.
However, it is important to remember that while coconut oil can provide relief, it should not be considered a substitute for medical advice or treatment. If you experience persistent or severe mouth ulcers, it is always a good idea to consult a doctor or dentist for further guidance.
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