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Published on: 5/21/2025

How Should Baking Soda Be Used to Alleviate Canker Sore Pain?

Courtney Bloomer

Reviewed by Courtney Bloomer, DO

Emergency Medicine

Baking soda can help relieve canker sore pain by creating a soothing mouth rinse.

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Explanation

Baking soda, also known as sodium bicarbonate, can be used to help ease the pain of canker sores. It works by neutralizing acids and balancing the pH in your mouth, which can help reduce irritation and promote healing.

To use baking soda for canker sores, you can make a simple mouth rinse:

  1. Mix 1 teaspoon of baking soda with 1/2 cup of warm water.
  2. Stir well until the baking soda is fully dissolved.
  3. Rinse your mouth with the solution for about 30 seconds, then spit it out.
  4. Repeat this process several times a day as needed, especially after meals and before bed.

This rinse can help soothe the sore area and may also help prevent further irritation from food or drinks. Remember, while baking soda can offer relief, it is not a cure for canker sores. If your sores persist or worsen, consider consulting a healthcare professional for further advice.

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