How to Make a Saline Solution or Saltwater Mouthwash


Oral saline or saltwater mouthwash is used to cleanse and relieve pain associated with canker sores after oral surgery and general mouth pain.

Get Medical Information / Emily Roberts

Salt water versus mouthwash

Traditional mouthwashes, many of which contain alcohol, can irritate the inflamed mucous membranes of the mouth. This is a big reason why dentists recommend using saline, also called saltwater mouthwash, to relieve pain and swelling after rinsing your mouth. deep cleaning or other dental procedures such as tooth extraction.

Salt water rinses have been shown to:

  • Relieves mouth ulcers or bleeding gums.
  • Heal a sore throat
  • Freshen your breath
  • Loosen and remove food

How to Make Saltwater Mouthwash

You can easily make a good saline solution at home, as it only requires two to three ingredients, which almost everyone has in the kitchen. Each time you use this rinse aid, prepare a new serving.


You will need to:

  • 8 ounces of warm water
  • 1 teaspoon salt
  • 2 teaspoons baking soda (optional)


Saltwater mouthwash is easy to prepare and only takes about 10 minutes to prepare:

  1. To start, boil 8 ounces of warm water for about 10 minutes.
  2. Put out the fire.
  3. Let the water sit until it is cool enough to rinse, but still lukewarm (this will help dissolve the salt and additional baking soda in the next few steps).
  4. With proper cooling, place the salt in the water, stirring gently, until the salt dissolves completely.
  5. Alternatively, dissolve 2 teaspoons of baking soda in water along with salt.
  6. Use saline as directed and discard any remaining solution.

Keep the solution fresh for each use.

How to use

Unless your dentist or doctor recommends otherwise, rinse the solution in your mouth for 30 seconds and then spit it out. Do not swallow it. If you swallow it, nothing will happen to you, but it is not necessary.

The salt water mouthwash can be used up to four times a day for up to two weeks of treatment with no side effects. However, over time, oral saline can negatively affect tooth enamel and lead to cavities.


Salt water is also a good toothache remedy. Gargling with warm salt water two to three times a day can help relieve toothaches, as the salt water acts as an antiseptic. Gently remove bacteria from the infected area.

Oral sodium bicarbonate

If you want to treat a specific wound in your mouth, such as an ulcer, it is easy to make a paste. Start by gradually mixing baking soda and small drops of water until the paste is thick, close to the consistency of toothpaste. Cover the canker sores with the paste. repeat as many times as necessary.

Frequently asked questions

  • Saline solution is a mixture of water and sodium chloride (salt).

  • Saline has many uses, including relieving mouth sores and bleeding gums, treating a sore throat, loosening and removing food stuck in the mouth, freshening your breath, and relieving toothaches.

  • A salt water rinse can remove some bacteria from the infection area and relieve pain, but it will not cure the gum infection. You should talk to your dentist or doctor who can treat you.

  • Rinse your teeth with salt water before brushing. Brightener should not be used after brushing your teeth as it can interfere with the protective fluoride in toothpaste.

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