Mouth Ulcer Treatment Options – 9 Home Remedies

Mouth ulcers, also known as Canker sores, are small and painful lesions that can occur inside your mouth on the tongue, palate, gums or lips. Mouth ulcers can make eating, drinking and talking very painful and uncomfortable. Sometimes, these small painful ulcers aren’t contagious but they can still last up to 7 to 10 days without treatment. There are several mouth ulcer treatment options, such as salt-water rinse, application of ice pack and aloe vera gel, etc., that are natural and can be done at home. (1)

Let’s read in detail about these sores and effective mouth ulcer treatment options including some preventive measures.


Types of mouth ulcer

Two significant types of mouth sores are canker sores and cold sores.

Canker sores

These are small, shallow, white or yellow center lesions with a red border. They are not contagious. The area of sore is very painful and tender to touch. They are formed in the mouth on the tongue, inside cheek areas, lips, throat area, and gum line.

Cold sores

These are a cluster of small raised blisters that are mostly found outside the mouth near lips. But they can develop under the nose or chin as well.

These are highly contagious and are caused by the herpes simplex virus. Usually, a cold sore requires an antiviral medication. (2)

Symptoms for mouth ulcer

  • One or more sore appear inside the cheek, on the roof of the mouth or tongue.
  • The swollen skin around the mouth sores.
  • Mouth sores take around 8-10 days to disappear.
  • Pain and discomfort while eating or drinking.
  • Increase in size with time.
  • Irritation of the sores by salty, spicy or sour foods.

Causes of mouth ulcer

The exact cause of mouth ulcers is still unknown and mostly, it varies from person to person. However, there are some common causes which lead to mouth ulcers. Some of the causes for mouth ulcers are –

  • Accidental biting of the cheek, tongue or lips.
  • Poor oral hygiene.
  • Constant rubbing against your poorly fitting dentures or braces. (3)
  • Irritation from strong antiseptics, such as mouthwash.
  • Allergic response to mouth bacteria.
  • Bacterial, viral, or fungal infections.
  • Emotional stress and anxiety.
  • Genetic factors.
  • Acidic food or drinks.
  • Quitting smoking.

Natural mouth ulcer treatment options

Ulcers in mouth take time to heal and cause pain and discomfort. There is no specific mouth ulcer treatment. But you can quickly eliminate or reduce the pain and enhance the healing of ulcers by following some basic home remedies which are easy to perform and show remarkable results. (4)

Here are some basic mouth ulcer treatment options that you can follow at home for faster relief and healing –

  1. Using a rinse of salt water and baking soda. They help in treating mouth ulcers which are caused by acidic foods or drinks because baking soda helps neutralize the acid.
  2. Coconut milk is highly useful for easing the pain of mouth ulcers.
  3. Rinse your mouth with a mixture of sea salt and hydrogen peroxide. It has anti-inflammatory, antiseptic and disinfectant properties.
  4. Apply honey on the affected area as honey can soothe mouth ulcer since it helps retain moisture and accelerates the healing process.
  5. Apply aloe vera gel on the area of mouth ulcer. Aloe vera eliminates pain, promotes healing and acts as an antimicrobial agent.
  6. Apply ice on the affected area. Ice helps in numbing the pain.
  7. Merely munching a fresh celery stalk can be effective in providing relief from mouth ulcers due to its analgesic and anti-inflammatory properties. It also has many vitamins which are necessary for the healing process.
  8. Rinse with raw tomato juice. It works amazingly to soothe mouth ulcer. Just add couple pinches of salt and rinse 3-4 times daily.
  9. Chew basil leaves 2-3 times in a day to get rid of mouth ulcers. Basil leaves accelerate the healing process for mouth ulcers.

Conventional mouth ulcer treatment options

Mouth ulcers are harmless but at times, they can be very painful. Conventional mouth ulcer treatment options consist of antiseptic gel, pain-relieving medications, etc.  (5)

  • Keep your mouth clean.
  • Take pain-relieving medication, such as paracetamol.
  • Apply antiseptic gel to the ulcers.
  • Use a medicated mouthwash.
  • Treat aphthous ulcers with anti-inflammatory medication.
  • Ulcers caused by the herpes simplex virus can be treated with anti-viral medication.
  • Treat oral thrush with anti-fungal medication.


It is vital to examine your mouth ulcer for underlying causes. Your dentist or doctor might ask you about your medical and dental history. For a proper diagnosis, the dentist will firstly physically examine your mouth sores.

Mouth ulcers look different depending on the cause of the ulceration and thus makes the physical examination easier. For confirmation, your doctor may also ask you for blood tests and oral skin biopsy.


There is no perfect mouth ulcer treatment option. But you can reduce the associated pain and healing time. Mouth ulcer might recur several times.

The appearance of mouth ulcers is inevitable, but you can decrease the number of times they occur by preventing yourself from several unhealthy oral habits.

  • Keep the mouth clean with regular brushing and flossing.
  • Avoid smoking.
  • Eat a healthy, well-balanced diet.
  • Avoid talking while chewing your food to reduce accidental bites.
  • Reduce stress and maintain good oral hygiene.
  • Use toothpaste that doesn’t contain sodium lauryl sulfate.
  • Do not chew gum.

Final words on mouth ulcer treatment

Mouth ulcers clear up on their own and are mostly harmless. But in a very rare case, it can lead to oral cancer. If your ulcer persists more than three weeks, then see a dentist as untreated ulcer may cause oral cancer.

You can follow natural mouth ulcer treatment options at home for getting systemic relief from pain.


There are various medications that help to reduce pain and swelling and also promote the healing of damaged tissue. These medications are available as ointments or solutions.

Other types of mouth ulcers, such as the aphthous variety or those caused by herpes simplex infection, need medical treatment.


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