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New Canker Sore Laser Treatment Now Available

cold sore treatment

Conventional treatments for canker sores just don’t do enough. By the time you notice a canker sore developing, it’s too late to do anything other than mask and minimize your painful symptoms.

That’s why the Luminance RED device is such an exciting and innovative treatment option for canker sores. Clinical research demonstrates that laser treatment heals and prevents canker sores without any unpleasant side effects.

Luminance RED emits a soothing yet powerful light treatment that heals and prevents canker sores in just two minutes a day. Arm yourself with all the information you need on canker sores to avoid painful symptoms and enjoy the fastest healing time possible!

What Are Canker Sores?

Canker sores, or aphthous ulcers, are shallow white lesions with inflamed pink borders that occur inside the lips and mouth. The sores are typically 1-4 mm in size, but complex sores can be larger than 5 mm. Though they are often confused with cold sores (HSV-1), canker sores are not contagious. Raw canker sores make it challenging to eat, sleep, and speak; even with traditional therapies, they often take 2-3 weeks to heal.

What’s the Difference Between Canker Sores and Cold Sores?

Cold sores and canker sores are often used interchangeably, but they’re actually two distinct problems. Let’s delve into the difference between them.

 Cold sores are caused by the herpes simplex virus. They develop as clusters of tiny, pus-filled bumps on the lips and around the mouth that last up to 10 days. Cold sores are more likely to be caused by HSV-1 than HSV-2, but both strains can appear anywhere on the body. Minor cold sore outbreaks can be mistaken for irritated skin or a pimple, and many people with cold sores never show symptoms after the first outbreak.

Canker sores are non-viral ulcers that form on the inside of the lips and cheeks. Unlike cold sores, canker sores resemble pink craters with a soft white border. Canker sores can be minor, appearing a few times per year and lasting around one week. For some, canker sores cause debilitating pain and last two weeks. Major lesions often cause scarring and make it challenging to eat and drink.

What Causes Canker Sores?

Canker sores are challenging to treat because they have no definitive cause. However, the most common triggers for canker sores include:

  • - NSAIDs (Motrin®, Aleve®)
  • - Vitamin deficiencies (low vitamin B12 or iron)
  • - Foods high in citric acid, such as oranges, tomatoes, and some cheeses
  • - Underlying autoimmune conditions (HIV/AIDs, Lupus, Behçet's disease)
  • - Chronic high stress or a traumatic life event
  • - A family history of canker sore outbreaks

Mouth ulcers are often a signal that the body is in distress. However, if you have made positive lifestyle changes and still can't figure out what causes canker sores for you, genetics may at least play a factor. As a result, you may have to accept that you're generally prone to canker sores, but that doesn't mean you have to endure lifelong suffering.

Treating Canker Sore Symptoms

Canker sores trigger painful and uncomfortable symptoms that you definitely don’t want to endure for days or weeks until the sore finally heals and disappears. Common symptoms include crater-like ulcers, mouth pain, difficulty eating, and burning and tingling around the site of the sore.

Fortunately, you don’t need to ensure the full misery of these symptoms. All you need to do is identify a few simple treatments that directly tackle your worst symptoms and help you feel better.

how to treat canker sores

Local Anesthetics

Over-the-counter topical anesthetics like benzocaine (Kank-A), and Orajel provide safe, temporary numbing of painful sores. You can apply local anesthetics a few times a day to relieve discomfort until your canker sore heals completely.

Antimicrobial Rinse

Your dentist or doctor may also prescribe an antimicrobial rinse if you’re susceptible to canker sores. Listerine, Peridex, and Periogard are all popular options. They reduce the number of bacteria and microbes in the mouth, which can protect the gum tissue from canker sores in the future. The deep cleaning effect of antimicrobial rinses can also control plaque and prevent canker sores from becoming aggravated by excess bacteria.

Milk of Magnesia with Liquid Antihistamine

Milk of magnesia, best known by the brand name Maalox®, can be blended with Benadryl® or another antihistamine to alleviate the pain caused by your canker sore. Milk of magnesia is an antacid that coats your canker sore to prevent irritation, while antihistamines treat inflammation symptoms and create a sedative effect. If your canker sore is uncomfortable and prevents you from sleeping, this combination is a helpful solution.

Sage and Chamomile Tea

Chamomile has been a favorite natural remedy since ancient times. This herbal remedy is known to help heal wounds and ease pain with its anti-inflammatory and antiseptic compounds. You can use a chamomile tea bag as a warm compress to soothe angry canker sores or rinse freshly brewed chamomile tea in your mouth for the same effect.

Sage is another traditional herb that’s been historically used to treat inflammation. Add boiling water to fresh sage leaves and steep for five minutes, then swish the rinse around your mouth for two minutes. The antibacterial, anti-inflammatory, antiseptic, and astringent properties of sage are sure to relieve canker sore pain and bring much-needed relief to your mouth.


Lysine is an essential amino acid found in everyday foods, but supplementing with lysine may help address your worst canker sores. Up to 2,000 mg per day is considered a safe dose for preventative measures.

The Arrival of Canker Sore Light Treatment

Whether you struggle with canker sores, cold sores, or both conditions, you may feel frustrated with the unpredictability of your treatment regimen. Antiviral medications may not always prevent an outbreak. Canker sores can cause weeks of discomfort during and after the healing process, and rinses and topical creams like lidocaine ointment and steroid creams are hit or miss.

The Luminance RED is an FDA registered alternative to traditional therapies used for canker sores and cold sores. By holding the soothing light to the lesion (or where you suspect it may form), your skin receives a burst of powerful energy that can speed up healing times up by 49% and stop future outbreaks from forming. Luminance RED nourishes the skin with a 630 nanometer light wavelength, which is metabolized to accelerate the body’s healing process and strengthen its defenses against future attacks.


Short on time? Watch this short video that summarizes of some of the key findings resulting from recent clinical trials.

Clinical Studies to Support Light Treatment in Canker Sores

Light treatment, which is designed to create the exact conditions of low-level laser therapy (LLLT), offers an advanced and innovative treatment method to address painful canker sores.

And it isn’t just guesswork! Clinical studies prove the efficacy of LLLT to treat and minimize canker sores. Here’s all the proof you need to see that light treatment is one of the best ways to tackle your worst canker sores in the future.

Clinical Evaluation of Low-Level Laser Treatment for Recurring Aphthous Stomatitis

One placebo-controlled study recently concluded that when light is applied to canker sores, it reduces the average healing time from 8.9 days (control group) to 3.1 days (treatment group).

Canker Sore Laser Treatment

On a day-by-day basis, the group that received the light treatment saw a dramatic reduction in the size of the sore when compared to the group that received no treatment.

Canker Sore Laser Treatment

Assessment of Immediate Pain Relief with Laser Treatment in Recurrent Aphthous Stomatitis

This study examined how applying LLLT impacted the levels of pain in patients with canker sores. The group that received treatment immediately experienced a 92% reduction in pain versus a 1% reduction in the placebo group.

Canker Sore Light Treatment

This study also found a nearly 50% reduction in healing time between the two groups, with an average time to complete healing in the treatment group of 4.08 days, and in the group not receiving treatment of 7.84 days.

Clinical Assessment of the Therapeutic Effect of Low-Level Laser Therapy on Chronic Recurrent Aphthous Stomatitis

An important step in the healing process is called Epithelialization, which refers to when the initial healing barrier of cells is formed over the sore. In this study, researchers found that when the LLLT was applied to canker sores, it reduced the time necessary to reach this important step in the healing process.

Only 24 hours after the treatment, 77% of patients in this study who received LLLT treatment reached the Epithelialization phase of healing, compared to none of the patients in the non-treated group.

Efficacy of Low-Level Laser Therapy in Treatment of Recurrent Aphthous Ulcers- A Sham Controlled, Split Mouth Follow Up Study

Still not sure if a canker sore laser treatment is right for you? This study of canker sores studied the effect on lesions treated with LLLT over four sessions completed in a single sitting. Each patient was evaluated for pain, lesion size, and complete healing immediately after treatment and one, two, and three days following LLLT treatment.

Results show that the patients treated with low-level laser therapy enjoying a healing time of about 3 days compared to the control group’s average healing time of nine days. A total of 28 out of the 30 patients in the LLLT treatment group also enjoyed complete pain relief immediately after treatment.

These clinical studies offer clear proof that low-level laser therapy with Luminance RED has the ability to relieve pain and reduce the healing time of bothersome, stubborn canker sores. 

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