8 Remedies to Heal Mouth Ulcers

· April 22, 2018
Mouth sores are little ulcers that can appear inside your mouth for many reasons, causing discomfort and intense pain for those who have them.

Everyone has suffered from mouth ulcers at least once. 

These ulcers appear due to different reason, such as:

  • Injury from biting yourself
  • Harsh oral cleansers
  • Emotional stress
  • Hormonal changes
  • Allergies
  • Vitamin B12, iron, and folic acid deficiency
  • Viral infections

This type of mouth ulcer usually takes 7 to 12 days to clear up, after causing:

  • Reddish and painful blemishes or bumps
  • White or yellow colored center
  • Discomfort
  • Stinging and localized pain

Additionally, if the mouth ulcers don’t heal properly, they can lead to complications and cause:

Therefore, it’s important to treat them appropriately in order to speed up the healing.

If you’d like to know how to heal mouth ulcers , this article will explore different ways of doing so. Don’t miss your chance to find out how!

1. Salt and ulcers

Fresh sea salt

Salt has antiseptic and healing properties which is perfect for healing mouth ulcers. It’s an inexpensive, effective and easy to use remedy.


  • A tablespoon of salt (10 g)
  • A glass of warm water (200 ml)


  • Pour the water and salt in a pot
  • Stir well until the salt dissolves.
  • Bring to a boil and let boil for at least 5 minutes.
  • Let it sit for 2 minutes.

Using the mixture

  • Rinse out your mouth with the mixture while it’s still warm.
  • Keep it in your mouth and gargle for 3 minutes.
  • Repeat many times throughout the day.

In the following days, you’ll see how the pain and ulcers will disappear.

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2. Baking soda

Like salt, baking soda is a great antiseptic and it can quickly help heal and regenerate wounds like mouth ulcers.


  • 3 tablespoons of baking soda (30 g)
  • ¼ glass of water (50 ml)


  • Pour the water and have it come to a boil for 3 minutes
  • Let it sit until it cools down.
  • Transfer the water into a hermetic plastic container and add the baking soda.
  • Mix well until a paste forms.

Using the mixture

  • Apply baking soda paste to the mouth ulcers.
  • Let it sit for 40 minutes and rinse off with cold water.

3. Ice as an immediate remedy

Ice cubes work well

Ice is an excellent way to heal mouth ulcers. It acts as a sedative that will not only help alleviate pain, but also significantly reduce swelling.

  • Apply the ice cube directly to the affected area, touching gently until the ulcers cool down.
  • You can use this remedy 3 to 4 times a day.

4. Hydrogen peroxide

When you have mouth ulcers that are difficult to treat, hydrogen peroxide is an unfailing remedy.  It will help eliminate and prevent possible infections.

  • To use it correctly, simply apply it directly onto your ulcer with a cotton swab.
  • For fast results, we recommend using it for at least three times a day.

Recommended reading:

7 Home Treatments to Speed Up Recovery of Mouth Sores

5. Mouthwash and ulcers

Painful mouth ulcers

Despite not being a natural remedy, using a mouthwash can bring immediate relief to discomfort caused by mouth ulcers.

You may use it as follows:

  • Traditionally, by rinsing your mouth after brushing your teeth
  • With a cotton swab

This could interest you:

Get Relief from Mouth Ulcers with These 6 Natural Remedies

6. Yogurt

Yogurt contains lactic acid and bacteria that help regulate your mouth’s pH levels. Thus, you heal faster by preventing new mouth ulcers from forming.

Therefore we recommend:

  • Eating 2 yogurts (250 ml) a day, until the ulcers completely disappear.
  • Applying it directly to the ulcers with a cotton swab.

7. Onions

Fresh white onions

Onions are high in sulfur, which not only clean wounds, but also help heals them.


  • 1 large onion
  • ½ glass of water (100 ml)
  • 1 teaspoon of salt (5 g)


  • Finely chut the onion into pieces and put them in a pot.
  • Add water and salt, and boil for 3 minutes.
  • Let it sit until its cools down.
  • Take the onion out of the water by using a strainer.

Using the mixture

  • Dip a swab in the remaining prepared water and apply directly to the ulcers .
  • Let it sit for 5 minutes and rinse off with cold water.

8. Sage and rosemary mouthwash

Sage and rosemary

While sage has antibiotic, bactericidal, and antiseptic properties that help heal mouth ulcers quickly, rosemary is an antiseptic and antispasmodic that relieves pain.


  • 2 tablespoons of sage (20 g)
  • ½ liter of water (500 ml)
  • 3 tablespoons of rosemary (30 g)


  • Combine all ingredients in a pot and boil for 20 minutes.
  • Afterwards, remove the heat and let it sit.

Using the mixture

  • While it’s still warm, rinse out your mouth with the mixture.
  • Keep it in your mouth and gargle for 3 minutes.
  • Repeat many times throughout the day.

In conclusion, by using these remedies you’ll be able to relieve pain and heal mouth ulcers quickly without using medicine; that change your body’s natural functions.