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Red Light Therapy For Cold Sores

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Cold sores also known as fever blisters , are usually caused by the herpes simplex virus type 1 (HSV-1) or, less commonly, by herpes simplex virus type 2 (HSV-2). They can be painful, contagious, and tend to appear at the worst possible times. The virus can be transmitted through direct contact with an infected person’s saliva or by sharing items like utensils or towels. Once the virus enters the body, it remains dormant in nerve cells and can be triggered by factors like stress, illness, or sun exposure. This leads to the development of cold sores on or around the lips. Unfortunately, there is no known cure for cold sores, but antiviral medications can help manage symptoms and reduce the frequency and duration of outbreaks.

Clinically it is proven that red light therapy can help in cold sores. But with light treatment you should also follow some precautions. In this article we will discuss how red light therapy help with cold sores.

Infrared and red light therapy for cold sores

red light for cold sores

Red light therapy, also known as photobiomodulation and low-level light therapy (LLLT), has healing and skin-regenerating properties. It uses red and near-infrared wavelengths to penetrate deep into the skin and promote healing. Studies have shown its effectiveness in reducing pain and promoting healing of oral HSV lesions.

  •  According to a study which was conducted in 2009, in which red light therapy is used with wavelength (659-680nm) shows improvement in mouth ulcers in just a single session. 
  • Another study was conducted on broaden area with 232 patients to treat herps simplex virus 1 (HSV-1) with red light therapy wavelength 670nm. Red light therapy for herps simplex virus (HSV-1) appears to be an effective treatment option. 
  • In a study conducted in Vienna, Austria, researchers examined the effects of low-level laser therapy (LLLT) on herpes zoster, a type of herpes simplex virus that causes chickenpox in children and shingles in adults. Out of the 50 patients studied, those who received LLLT remained free of symptoms for an average of 37.5 weeks, whereas the control group experienced symptom recurrence after only three weeks. This study suggests that LLLT treatments can lead to fewer, shorter, and less severe outbreaks of herpes zoster. 
  • In 2013, Korean researchers conducted a study involving 28 patients who had cold sores caused by the herpes zoster virus. Half of the patients received treatment with near-infrared (NIR) light at a wavelength of 830nm, while the other half were given oral medication. The group that received NIR treatment experienced faster healing, with an average healing time of 13 days compared to 16 days in the medication group. Additionally, the NIR treatment group reported a significant reduction in pain.  Red light therapy is a great option for treating cold sores. It provides therapeutic relief and can be an effective alternative to over-the-counter medications. Give it a try and see the positive results for yourself!

How red light therapy help with cold sores?

red light for cold sores

Red light therapy, along with near-infrared light, has the ability to stimulate and promote biostimulation in human tissue. This process starts at the cellular level, triggering photochemical reactions within the cells. What makes red light therapy particularly effective is its ability to address both the symptoms and underlying causes of conditions, including chronic recurring ones like cold sores. By targeting the root causes, it can provide long-lasting relief. The therapeutic benefits of red light therapy extend beyond just symptom management, making it a valuable remedy for various conditions. When it comes to cold sores, red light therapy can help alleviate symptoms, promote healing, and reduce the frequency of outbreaks. Its non-invasive nature and ability to target the source of the problem make it an appealing option for those seeking an effective and natural treatment. Red light therapy works on cold sores by:

  •  Increasing circulation
  •  Increase mitochondrial ATP production
  •  Reduce inflammation
  •  Boost collagen production

Using red light therapy at home for cold sores

Now, you have enough knowledge about red light therapy, it’s effect and how it works. You can also treat yourself at home. You don’t need to visit a doctor for cold sore treatment. Nowadays, there are powerful LED panels designed for home use that provide clinical-grade light output. These devices can help prevent cold sore outbreaks and reduce recurring flare-ups when used regularly. By incorporating LED red light treatments into your routine, you can maintain optimal skin health, boost your immune system, and reduce inflammation throughout your body. Plus, you’ll enjoy the added benefits of more youthful skin and improved overall health. Just a few 15 to 20-minute sessions per week can make a noticeable difference.
Our red light therapy portable devicespanels and bulbs can help you in treating your cold sores. As it’s clinically proven that red light therapy shows proven result in treating cold sores.

What should avoid?

Following things you should avoid:

  •  You should avoid UV light exposure because it can actually be harmful and may worsen cold sores. It’s important to avoid exposing cold sores to UV light and instead, consider using safe and effective treatments like red light therapy.
  •  Overusing electronic devices can increase oxidative stress, which can potentially worsen symptoms in individuals with HSV-1 or HSV-2. It’s important to find a balance and limit screen time to help manage the condition effectively.
  •  Avoid sharing personal things like towel, balm and utensils.
  •  Avoid stress
  •  Maintain hygiene


Health & Beauty Specialist
These articles are well researched and checked by group of light therapy Experts.

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