How to Heal a Canker Sore Quickly

Canker sores can be quite painful and annoying, causing discomfort while speaking, eating, or even drinking. If you’re dealing with a canker sore, you’re probably looking for ways to heal it quickly and find relief. 

We will explore various effective remedies and expert tips on how to heal a canker sore quickly. From natural home remedies to over-the-counter treatments, we’ve got you covered. So, let’s dive in and discover the best ways to alleviate the pain and promote speedy healing.

1. Saltwater rinse:

One of the easiest and most effective ways to relieve pain and promote healing is by rinsing your mouth with a saltwater solution. 

  • Mix half a teaspoon of salt in a cup of warm water and stir until the salt dissolves. 
  • Gently swish the solution in your mouth for about 30 seconds, making sure to reach the affected area. 
  • Spit out the solution and repeat several times a day for best results.

2. Aloe vera:

A soothing agent for canker soresAloe vera is well-known for its soothing properties and is often used to treat various skin conditions. It can also be beneficial in healing canker sores. Extract the gel from an aloe vera leaf and apply it directly to the sore. 

Aloe vera gel has anti-inflammatory and antimicrobial properties that can help reduce pain and promote healing. Repeat this process a few times a day until the sore improves.


Honey has been used for centuries as a natural remedy for various ailments, thanks to its antimicrobial and healing properties. Applying a small amount of honey directly to the canker sore can help speed up the healing process. 

Honey creates a protective barrier over the sore, preventing further infection and reducing inflammation. Make sure to use raw, organic honey for the best results.

Chamomile tea:

Chamomile tea is known for its calming and anti-inflammatory properties. It can provide gentle relief for canker sores and promote healing. 

  • Brew a cup of chamomile tea, let it cool down, and use it as a mouth rinse.
  • Swish the tea in your mouth for a minute or two, ensuring it comes into contact with the sore. 
  • Repeat this process a few times a day to alleviate pain and reduce inflammation.

Over-the-Counter Treatments for Canker Sores

1. Topical numbing gels: 

Over-the-counter topical numbing gels, such as benzocaine or lidocaine, can provide instant pain relief for canker sores. These gels work by temporarily numbing the area, allowing you to eat, drink, and speak more comfortably. 

Follow the instructions on the packaging for proper application and use as needed. However, it’s important to note that these gels only provide temporary relief and do not promote healing.

2. Hydrogen peroxide rinse: 

Using a hydrogen peroxide rinse can help keep the canker sore clean and prevent infection. Mix equal parts hydrogen peroxide and water and swish the solution in your mouth for about 30 seconds. Spit it out and rinse your mouth with water afterward. 

Hydrogen peroxide has antiseptic properties that can help kill bacteria and promote healing. Use this rinse a few times a day until the sore improves.

Diet and Lifestyle Changes for Canker Sore Healing

1. Avoiding Trigger Foods

Certain foods and beverages can irritate canker sores and prolong the healing process. It’s important to avoid spicy, acidic, or abrasive foods that can cause further discomfort. Additionally, citrus fruits, tomatoes, and carbonated drinks may worsen the pain. Opt for soft, bland foods and avoid anything that may aggravate the sore.

2. Incorporating Vitamin-rich Foods

Maintaining a healthy diet rich in essential vitamins and minerals can support the healing process of canker sores. Include foods that are high in vitamin C, vitamin B12, zinc, and iron.

3. Staying Hydrated for Oral Health

Proper hydration is crucial for maintaining oral health and promoting the healing of canker sores. Drinking an adequate amount of water throughout the day helps keep your mouth moist, preventing dryness that can worsen the pain of canker sores. 

4. Stress Management and Self-care

Stress can weaken the immune system and trigger canker sores. Therefore, managing stress levels is essential for preventing and healing canker sores quickly. 

Incorporate stress-relief techniques into your daily routine, such as meditation, deep breathing exercises, yoga, or engaging in activities you enjoy.

Alternative Therapies for Canker Sore Relief

1. Essential Oils: 

Certain essential oils possess antimicrobial and anti-inflammatory properties that can aid in the healing of canker sores. Tea tree oil, lavender oil, and peppermint oil are commonly used for oral care. 

Dilute a few drops of essential oil in a carrier oil, such as coconut oil, and apply it to the canker sore using a cotton swab. Be cautious not to swallow the oil mixture.

2. Licorice Root Extract: 

Licorice root extract has been used in traditional medicine for its anti-inflammatory and healing properties. 

Apply a small amount of licorice root extract gel or cream directly to the canker sore. Alternatively, rinse your mouth with a licorice root extract mouthwash. Licorice root extract can help reduce pain and promote healing.

3. Lysine Supplements:

Lysine is an essential amino acid that plays a crucial role in the body’s healing process. It can help accelerate the healing of canker sores. You can find lysine supplements available in tablet or capsule form. 

Follow the recommended dosage provided by the manufacturer or consult a healthcare professional for guidance on the appropriate dosage for your specific needs.

4. Laser Therapy: 

Laser therapy is an advanced treatment option for canker sores that can promote faster healing and reduce pain. During the procedure, a low-level laser is directed at the canker sore, stimulating the healing process and reducing inflammation. 

Laser therapy is typically painless and does not require any anesthesia. Consult with a dental professional or healthcare provider to determine if laser therapy is a suitable option for you.


Dealing with a canker sore can be uncomfortable, but with the right remedies and lifestyle adjustments, you can promote faster healing and find relief. From natural remedies like saltwater rinses, aloe vera, and honey to over-the-counter treatments and alternative therapies, there are numerous options available. Additionally, maintaining good oral hygiene, making dietary changes, and managing stress levels can contribute to the prevention and healing of canker sores. Remember to consult a healthcare professional if your canker sore persists or worsens. With proper care, you can heal a canker sore quickly and alleviate the discomfort it causes.

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