22 Great Home Remedies To Get Rid Of Mouth Ulcers

Have you ever developed a white painful sore with red borders inside of your mouth? These are called mouth ulcers, better known as canker sores. Most people experience mouth ulcers at some point in their lives and they can be so annoying. Though harmless, ulcers can be extremely painful and may even kill your desire to drink, talk or eat. Luckily, you can get rid of mouth ulcers at home easily with some simple home remedies. So look no further than your kitchen and use our set of remedies to end ulcers!

Mouth ulcers can change in appearance from white, red, yellow or grey and are often swollen. There are a number of causes of mouth ulcers. They may be formed due to trauma to the lining of your mouth, such as accidentally biting you cheek, badly fitting dentures, hard food or a loose filling. They may also occur due to stress, allergies, as well as eating highly acidic foods such as oranges, strawberries and tomatoes and nutritional deficiencies.

However, the good news is that mouth ulcers are not contagious. This means you can’t catch one from someone else who is suffering. Moreover, most cases are “mild” and will heal without intervention within a week or two. However, mouth ulcers that lasts longer or is accompanied by a fever or swollen lymph nodes needs your doc for some extra reinforcements.

There are plenty of commercial mouth ulcers treatments available over the counter though! But why spend money on chemicals that will cause unwanted side effects. Instead, you should rather use some natural home remedies to get rid of mouth ulcers.

Home Remedies To Get Rid Of Mouth Ulcers

The simple home remedies in this article will help you get relief safely and quickly. Ready to find out what they are? Let’s get started!

1. Salt Water Rinse

Salt water is a natural disinfectant. Rinses are among the most natural and simple of all remedies. This may be one of the reasons it is so popular in wellness circles. Salt water rinses may help to lessen inflammation and also speeds the healing process. This occurs due to the ability of salt to draw excess fluids and toxins from the skin. You can use this rinse several times each day. You just swish them around your mouth for a minute or so and spit it out.

How to Use

  • Stir 2 teaspoons of salt into a cup of warm water.
  • Swish the solution in your mouth for 30 seconds, then spit the solution out.
  • You can also apply a pinch of salt directly to the ulcer.
  • Repeat this process 3 times daily to heal the ulcer.

2. Fenugreek

Fenugreek is a delicious ingredient in many curries. However, its leaves have many healing benefits. Research shows that fenugreek may have applications in natural dentistry. It can boost your immune system thereby preventing infections. It is also filled with many vitamins and minerals such as Vitamin C, B12, zinc, iron, calcium, carotene, phosphorous and more.

How to Use

  • Place 1 teaspoon of fenugreek seeds into one cup of cold water.
  • Allow the seeds to soak the water and grind them.
  • Strain this and swish the water around your mouth.
  • You can use this several times each day.

Alternatively, you can also add fenugreek leaves to your diet.

3. Coconut To Get Rid Of Mouth Ulcers

Coconut has lots of nutrients in it, vitamins C, E, B1, B3, B5 and B6, iron, selenium, sodium, calcium, magnesium and phosphorous to name a few. The coconut milk obtained from the white flesh of the fruit also contains lauric acid, antimicrobial lipids and a capric acid having antibacterial, antifungal and antiviral properties.

Coconut oil too has anti-bacterial and anti-inflammatory properties. The water is also nutritious that, it is used for treating undernourishment! It contains sugars, protein, amino acids, vitamins and a host of minerals. This makes all the products made from coconut beneficial in curing mouth ulcers. Whether you frequently develop mouth ulcers due to deficiency of nutrients or get them as a result of infections, coconut is there to help you out.

How to Use

  • Take some coconut milk in your mouth and gargle with it.
  • You may wish it around your mouth for several seconds before swallowing or throwing it out.
  • Repeat this 3-4 times a day.


  • You may simply rub some coconut oil on your mouth ulcers.
  • Take some oil in the mouth, swish around and swallow or throw away.
  • Repeat 2-3 times a day.


Simply have a glass or two of coconut water obtained from green tender coconuts. They are delicious and soothing. Drink 1-2 glasses of coconut water a day.

4. Turmeric and Honey

Turmeric is a natural antiseptic which will fight the germs that cause the ulcers. The honey on the other hand soothes and also heals damaged skin. It also provides moisture and prevents the ulcer from becoming dry. This process reduces the pain and inflammation whiles speeding up the healing process.

How to Use

  • Mix 1 teaspoon of honey with ¼ teaspoon of turmeric powder to make a paste.
  • Apply to ulcer and leave on 5 minutes.
  • Rinse with water.
  • Repeat 2 times a day until the ulcer is gone.

5. Baking Soda

Baking soda may be another remedy to get rid of mouth ulcers. It works by neutralizing your mouth’s pH. Baking soda is alkaline in nature which helps to relieve the pain of mouth ulcers. It also soothes the irritation, even in sensitive mouths. Just swish a mixture around your mouth for a minute or so and spit them out.

How to Use

  • Mix baking a teaspoon of baking soda and half cup of warm water.
  • Use this solution to rinse your mouth frequently.


  • Mix 1 teaspoon of baking soda with enough water to make a paste.
  • Apply the paste to your ulcer and leave it on 5 minutes.
  • Rinse with water.


  • Mix equal quantities baking soda, hydrogen peroxide, and salt.
  • Use the solution as a mouth wash 5 times a day.

6. Apple Cider Vinegar To Get Rid Of Mouth Ulcers

The pungent taste and the acidic nature of ACV can hurt you but, this is a powerful remedy for ulcers. It’s a rich source of acetic acid. This acid may help to curb bad bacteria while maintaining healthy oral flora. This balances the oral microbiome and can help cure your mouth ulcers. Learn how to make a homemade mouthwash below.

How to Use

  • Mix a tablespoon of apple cider vinegar into a glass of water.
  • Swish the solution in your mouth for a few minutes.
  • Do this every morning and night till the ulcer heals.

Also, to get more ACV into your diet, include it in your salad dressings or in cooking.

Note: You can either swallow this mix or spit out. The vinegar is good for the digestive system as well as your mouth though. Also make sure to dilute ACV, because the low pH can cause acid erosion.

7. Sage

Sage is a delicious herb often added to gravies, soups and sauces. It is a part of the mint family. Many natural dentistry remedies include sage. Sage has anti-oxidant and also anti-microbial properties that may help the oral flora. It may also help to balance the immune system and heal ulcers. Besides, it has calming properties that relieve pain and sooth damaged skin.

How to Use

  • Boil 2 glasses of water.
  • Stir in 3 teaspoons of sage leaves.
  • Reduce heat and simmer 5 minutes.
  • Remove from heat and let steep for 10 minutes.
  • Strain and use as mouth wash several times a day.
  • Alternately apply powdered sage directly to your ulcer several times a day.

8. Hydrogen Peroxide

Hydrogen Peroxide To Get Rid Of Mouth Ulcers

Hydrogen peroxide is an antiseptic that will help reduce the number of bacteria in the mouth. It kills the bacteria that cause the mouth ulcers. Its also a strong disinfectant and will protect your ulcer from becoming infected.

How to Use

  • Mix 3 percent of hydrogen peroxide and water in equal quantities.
  • Use it as a mouth wash 2 times daily.
  • OR apply plain hydrogen peroxide to your ulcer, but be sure not to swallow.

9. Milk of Magnesia To Get Rid Of Mouth Ulcers

Used frequently as an aide to relieve constipation and as an antacid, milk of magnesia is a liquid suspension of magnesium hydroxide. This would create a less hospitable environment for germs causing your ulcers. It also coats and soothes the tissues inside your mouth. This will help reduce the pain and also help speed the healing process.

How to Use

  • Dab milk of magnesia directly onto the mouth ulcers with a cotton swab.
  • Do this 3-4 times a day.

Note: This method is recommended after using the hydrogen peroxide solution. 

10. Licorice

10. Licorice To Get Rid Of Mouth Ulcers

Licorice tea is an excellent home remedy to treat and eliminate mouth ulcers. The active ingredient in licorice root has anti-inflammatory properties that soothe the affected area. You can apply licorice root extract directly to your mouth ulcer 2 times daily or drink licorice root tea. Additionally, follow the process below.

How to Use

  • Crush 1 teaspoon of licorice root.
  • Soak it in 2 cups of water for 3 hours.
  • Use this solution as a mouth wash every day until your ulcers heal.

11. Chamomile Tea

Chamomile is good for more than just a pre-bedtime tea. It contains different daisy-like plants. They can help relax you and also aid healthy digestion. It has been shown to contain chemical compounds that have antiseptic abilities. Chamomile may have soothing results for mouth ulcers. It can also help speed up healing time. You can try chamomile by drinking warm tea or placing a chamomile tea back on the ulcer.

How to Use

  • Boil 1 cup of water.
  • Stir in few fresh chamomile leaves.
  • Reduce heat and let simmer 5 minutes.
  • Remove from heat and let steep 10 minutes.
  • Strain the solution and use it as a mouth wash 3 times daily.

12. Aloe Vera To Get Rid Of Mouth Ulcers

Known as the “first-aid plant,” aloe vera gel can speed healing and offer soothing ulcer relief. Aloe vera is antibacterial and anti-inflammatory. It will kill the germs that cause mouth ulcers and also relieve pain, swelling, and redness.

How to Use

  • Slice open a fresh aloe vera leaf.
  • Squeeze out the gel.
  • Apply it to your ulcer 3 times daily.
  • You can also use aloe vera juice as a mouth wash 3 – 4 times a day.

13. Coriander

Coriander To Get Rid Of Mouth Ulcers

Coriander leaves as well as seeds are a rich source of minerals and other nutrients such as iron, copper, calcium, potassium, manganese, zinc and magnesium. It also contains antioxidants and dietary fiber. They contain many vitamins such as Vitamin C, K and B-complex as well as vitamins like thiamin, riboflavin, and niacin.

If you remember, nutrients deficiency, especially deficiency of B vitamins is one of the major causes of mouth ulcers. While you can always include coriander in your diet, applying it directly to your ulcers also relieves you from discomfort.

How to Use

  • Boil 1 cup of water.
  • Stir in 1 teaspoon of coriander seeds or few fresh coriander leaves.
  • Reduce heat and let simmer 5 minutes.
  • Remove from heat and let steep 10 minutes.
  • Strain the solution and use it as a mouth wash 3 times daily.

14. Alum Powder

Alum To Get Rid Of Mouth Ulcers

Another most popular remedy to get rid of mouth ulcers is alum. Alum has been shown to exhibit antimicrobial properties against micro-organisms. This is especially in different parts of the digestive system. Alum powder also accelerates the healing process by drawing fluids and toxins from the ulcer. However, the alum may sting a little, so be prepared.

How to Use

  • Crush alum crystals to get a fine powder.
  • Wet a cotton swab and dip it in the powder.
  • Place it on the mouth ulcer.
  • Hold it there for a minute or two.
  • Rinse your mouth thoroughly after removing the cotton swab.
  • Repeat this twice a day.

15. Garlic To Get Rid Of Mouth Ulcers

15. Garlic To Get Rid Of Mouth Ulcers

Garlic is also extensively used to treat infections because of its strong antimicrobial activity against a wide range of micro-organisms. The allicin found in garlic is said to be the main component that is responsible for this property.

How to Use

  • Cut 1 garlic clove in half and rub it gently on the mouth ulcer for a minute or two.
  • Rinse your mouth with clean water after 30 to 40 minutes.
  • Repeat this twice or thrice a day.

16. Tea Bags

16. Tea Bags To Get Rid Of Mouth Ulcers

This remedy to get rid of mouth ulcers is likely to be in your kitchen already. Tea is an alkaline, so it will neutralize acids that irritate the ulcer. The tannic acid in tea is a natural astringent that relieves pain and also inflammation. Make a cup of tea and drink it slowly, and follow the process below.

How to Use

  • Refrigerate the wet tea bag for 5 minutes.
  • Apply it to your ulcer, using gentle pressure, and leave on 20 minutes.
  • Repeat 3 times daily to get rid of mouth ulcer.
  • Note: You can also apply without refrigerating it.

17. Orange Juice For Ulcers

Orange Juice To Get Rid Of Mouth Ulcers

The key to this remedy is getting a lot of vitamin C into your body. It has been seen that vitamin C deficiency can result in mouth ulcers. Also, vitamin C boosts your immune system and helps your body fight all kinds of infections, including mouth ulcers.

How to Use

  • Drink two glasses of fresh orange juice in a day.
  • Repeat this every day until the mouth ulcer heals.

18. Onions To Get Rid Of Mouth Ulcers

18. Onions To Get Rid Of Mouth Ulcers

Onions have natural anti-inflammatory, antibiotic and antiviral properties. They are high on sulfur compounds giving them powerful detox qualities that can help body release toxins and heavy metals like lead, arsenic and cadmium.

However, the most important component of onion for mouth ulcers seem to be quercitin, a strong antioxidant flavonoid which along with doing other tasks for health can fight off infections too. White onions have better medicinal properties than red ones. Include them in your salad platter without fail! Here’s how you can use them for your mouth ulcers.

How to Use

  • Slice a raw, organic onion.
  • Apply a slice directly to the ulcer and leave it on 3 minutes.
  • Allow the juice to absorb into the skin.
  • Repeat 3 times daily.

19. Cayenne Pepper

When you have mouth ulcers, you probably want to avoid spicy foods. Because spicy foods can really irritate the ulcers and make them even more painful! But properties in certain spices such as cayenne pepper may help soothe mouth ulcers.

Cayenne pepper is full of a chemical called capsaicin. Capsaicin makes chili and cayenne spicy. It can also inhibit substance P, a chemical in the body that causes inflammation. Studies also show that it can inhibit bacteria growth.

How to Use

  • Get a teaspoon of cayenne and add water to make a paste.
  • Use a cotton swab and apply directly to your ulcer. Let it absorb into the skin.
  • Apply this 2 to 3 times a day.
  • It will cause irritation at first, but this will subside.
  • You can eat cayenne pepper candy to get relief from the pain.

20. Toothpaste For Mouth Ulcers

20. Toothpaste To Get Rid Of Mouth Ulcers

One of the key properties of a good toothpaste is its antimicrobial capacity. Applying this on the mouth ulcer will clear out the infection that is causing the ulcer. Toothpaste will sting, so apply some aloe vera gel afterwards.

How to Use

  • Apply toothpaste on your ulcer using a Q-tip.
  • Leave it on for a few minutes before rinsing your mouth.
  • Do this every day until the whiteness of the ulcer disappears.

21. Ice Pack

Ice numbs pain and reduces swelling.

How to Use

  • Apply an ice cube directly to the ulcer for 30 seconds, then remove.
  • Repeat as many times as necessary.
  • You can rinse your mouth with cooling water to numb the pain.

22. Clove Oil To Get Rid Of Mouth Ulcers

22. Clove Oil To Get Rid Of Mouth Ulcers

Clove oil is a valuable natural remedy for mouth ulcers. The active ingredient is eugenol, which acts as a painkiller. You can apply it directly to ulcers for relief. You can also make a mouth rinse from clove oil.

How to Use

  • First, swish your mouth with salt water.
  • Then apply a half teaspoon of olive oil to a cotton ball.
  • Top this off with 4 or 5 drops of clove oil.
  • Apply the cotton ball directly to your ulcer for up to 10 minutes.
  • Rinse with water and apply until you see better results.

Take Away

In order to reduce the recurrence of mouth ulcers, you should try to determine and then avoid any foods to which you are sensitive. You should also practice good oral hygiene so that you regularly remove any irritants that might trigger an ulcer.

Stock up on soft-bristle toothbrushes so that you’re less likely to scrape your mouth, and ask your dentist about orthodontic waxes to smooth out the sharp edges of dental appliances, such as braces or retainers, which may break skin on your inner cheeks or gums.

Finally, if you haven’t already developed relaxation rituals to help keep your stress levels in check, this is an excellent excuse to do so.

There’s nothing enjoyable about these irksome ulcers, but you’re far from powerless against them. ‘Till next time, mouth ulcers—don’t let the salt-water rinse hit you on the way out.

Now that you know how to get rid of mouth ulcers, its time you try these remedies. The remedies listed above are versatile and work for most types of mouth ulcers. Using them diligently will heal the ulcer in no time. Did you enjoy this article? How did these home remedies work for you? Please leave your comments below.

About felclinic 593 Articles
Felix Ntifo is a Registered General Nurse who has so much passion to improve health care delivery. He founded FelClinic with the hope of making health information accessible to everyone who may not come in contact with him personally. "At felclinic.com we are very passionate about health and well-being of everyone. Our team is made up of professional doctors, nurses, midwives and lab technicians."

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