Red Light Therapy After Surgery (How it Relieves the Pain)

The Promise of a Smoother Recovery with Red Light Therapy

After surgery, your body begins a complex healing journey. This process involves inflammation and tissue repair, often with significant pain and discomfort. While modern medicine offers many solutions, you also have other safe, natural ways to support your recovery.
Red light therapy is a gentle, complementary tool that can ease post-surgery pain. It works by reducing inflammation, giving a much-needed energy boost to your cells for healing, and improving blood flow to the surgery site.
While it doesn’t replace prescribed painkillers, studies show that red light therapy can be a very effective part of your overall pain relief plan. It helps you take an active role in your healing process in a natural and gentle way.
Surgery is a major event for your body, involving cuts through skin, muscle, and other tissues. Your body’s natural response is a cascade of healing processes that can feel overwhelming.
Clinical studies show that red light therapy can support this natural process. It has been demonstrated to speed up wound healing and help tissue regenerate more efficiently.
How much post-surgical pain you feel can vary a lot, depending on the procedure and your personal pain tolerance. Some people may only have mild discomfort, while others face more intense pain that requires careful management.
By addressing pain and inflammation at the source, red light therapy has been found to help reduce the need for opioids in some patients after surgery. As with any part of your post-op care, always talk to your doctor before trying red light therapy.
What Types of Pain Can Occur After Surgery?
Pain is an expected part of recovery, but you don’t have to simply endure it. Working with your doctor is key, and understanding the type of pain you’re feeling is the first step toward managing it.
Acute pain is the most common type after surgery. You usually feel it at the surgery site. It can be sharp or dull and typically lasts from a few days to a couple of weeks. This is the immediate pain your medical team will help you manage.
If pain lasts for more than three months, it is considered chronic pain. This can happen because of nerve damage or tissue scarring. It often requires several different treatments to manage, including therapy and other approaches.
Sometimes, you might feel referred pain, which is pain in an area different from the surgical site. For example, abdominal surgery can sometimes cause shoulder pain. This is usually temporary and gets better with standard pain management.
Incisional pain is felt right at the surgical cut. People often describe it as a burning or stinging feeling. Proper wound care and pain medicine are the main ways to deal with this discomfort.
Damage to nerves during an operation can cause nerve pain, leading to tingling, numbness, or burning. This type of pain can be challenging and may require specific medications or therapies.
Finally, musculoskeletal pain comes from damage to muscles or joints. It can cause stiffness, soreness, and limited movement. It often gets better with physical therapy and specific treatments.
How to Build Your Pain Management Strategy

Always create your post-surgery pain plan with your healthcare provider. A complete plan often combines medical treatments with other therapies for the best results.
Your doctor’s main medical pain relief advice may include common over-the-counter options. These often include Acetaminophen (Tylenol) and non-steroidal anti-inflammatory drugs (NSAIDs) like Ibuprofen.
For more severe pain, your doctor may prescribe opioids such as morphine or oxycodone. These are powerful medicines that you should use exactly as directed and for the shortest time needed.
Beyond medication, you can explore a range of complementary and alternative therapies to help you heal. These natural methods can make you more comfortable and give you a sense of control over your recovery.
Gentle, supportive therapies like red light therapy and Pulsed Electromagnetic Fields (PEMF) can be used at home. Techniques like deep breathing, meditation, and heat or cold therapy are also excellent for managing discomfort.
Treatments like acupuncture, massage, and hypnosis, given by qualified professionals, can also play a helpful role in your pain management plan. Physical therapy might cause some temporary discomfort but is vital for long-term pain relief and proper healing.
What is Red Light Therapy?

Red light therapy, also known as photobiomodulation (PBM), is a treatment that uses specific wavelengths of light to encourage healing inside your cells. It involves shining low-energy red and near-infrared light on your body.
This process works to relieve pain in several ways. Its main actions include reducing inflammation, calming nerves, and speeding up the body’s natural healing processes.
It’s a gentle and safe wellness tool with few to no side effects. You can buy a device for at-home use without a prescription, which makes it a popular choice for self-care.
First discovered in the 1960s, red light therapy is now supported by a large amount of research. A 2022 review of studies confirmed it is very effective at boosting the healing process and managing pain.
Red light therapy for pain has been studied for many conditions, including arthritis, back pain, fibromyalgia, joint pain, neuropathy, and sports injuries. It is a painless treatment that you can easily add to your daily routine with a quality home device.
How Red Light Therapy Works to Reduce Pain

Red light therapy helps reduce post-surgery pain through several well-researched biological processes. These actions work together to create the best environment for healing.
One key benefit is an increase in cellular energy. The light is absorbed by tiny powerhouses inside your cells called mitochondria. This prompts them to create more adenosine triphosphate (ATP), which is the fuel your cells use for everything they do. This energy boost provides the power needed for fast tissue repair.
It also powerfully reduces inflammation. While some inflammation is a necessary part of healing, too much of it can be harmful. A [i] 2023 study found that red light therapy helps manage the inflammatory response, making it less painful but still effective for healing.
Healthy blood flow is essential for recovery, and red light therapy improves it. The light helps your body produce nitric oxide, which widens blood vessels. This allows more oxygen- and nutrient-rich blood to reach the surgical area, which speeds up healing.
The therapy also helps reduce nerve sensitivity. It calms the pathways that create pain signals, acting in a way similar to over-the-counter pain relievers. This helps soothe the area without the potential side effects of medication.
Finally, red light therapy supports your body’s natural cleanup process. This system, called autophagy, helps your immune system clear away damaged cells and debris from the surgical site. This can reduce swelling and the pain that comes with it.
What Are the Key Benefits of Red Light Therapy for Recovery?
Using red light therapy as part of your recovery plan (with your doctor’s approval) has many benefits. Its gentle, natural approach supports your body’s own ability to heal.
First, it is a non-invasive and drug-free option. This makes it an excellent complementary therapy that can reduce the need for pain medications and their possible side effects.
Red light therapy has minimal to no known side effects. When used as directed, it is a safe treatment, which provides peace of mind during a sensitive recovery period.
It can be used with other approved treatments without any problems. You can easily combine it with physical therapy, medication, and other methods recommended by your doctor.
The therapy actively reduces inflammation, which is a primary cause of post-surgery pain and swelling. By calming the inflammatory response, it helps you feel more comfortable and creates a better healing environment.
By stimulating ATP production, it promotes cellular repair and regeneration. This energy boost inside your cells leads to faster, more effective healing of tissues and wounds.
The therapy also improves blood flow. Better circulation brings essential oxygen and nutrients to the surgical site while carrying away waste products. This is critical for speeding up the recovery process.
Finally, red light has a natural pain-relieving effect. It helps to desensitize nerve endings, providing direct relief from discomfort right at the source.
Which Pains Respond Best to Red Light Therapy?

Red light therapy has a pain-relieving effect, reduces swelling, and promotes faster healing. It is especially effective for pain that comes from inflammation and soft tissue injuries, all of which are common after surgery.
It can significantly help with acute and incisional pain. By reducing inflammation at the incision and speeding up wound healing, it works well with your doctor’s pain management plan.
Red light therapy is especially useful for managing chronic pain. It directly addresses the long-term inflammation that often causes persistent pain and provides a natural soothing effect, making it a great option for ongoing relief.
It is also a strong choice for easing musculoskeletal pain. Red light therapy is well-studied for reducing pain from injuries to ligaments, tendons, and muscles, which makes it ideal for the soreness that follows many surgeries.
The therapy may also help with certain types of nerve pain. It has shown promise in studies on conditions like diabetic neuropathy, though more research is needed to know how effective it is for post-surgical nerve pain specifically.
Currently, there is little hard evidence that red light therapy can help with referred or phantom pain. While it supports overall nerve health, its direct impact on these specific pain types is not yet clear.
Is Red Light Therapy Safe After Surgery? Risks and Considerations

While red light therapy for pain is generally considered very safe, it is crucial to talk to your doctor before using it after surgery. A few key points will help ensure you have a safe and positive experience.
People often ask if the light can harm their eyes. While the light itself is safe, the LEDs in therapy devices are very bright. This can cause eyestrain, so the rule is simple: if the light is bright enough to make you squint, wear the provided goggles.
Certain medications can be photosensitive, meaning they react with light and can irritate the skin. This is mainly a concern with UV light, but a reaction to intense red light is possible. Ask your doctor or pharmacist if any of your medications are photosensitizing before you start.
If you have epilepsy, be cautious with devices that use a pulsing or flickering light. This can potentially trigger a seizure. It is safest to only use the continuous light mode. If a device does not allow you to turn off the pulse feature, you should not use it.
Most importantly, remember that this therapy is a support tool, not a replacement for medical advice. Always follow your surgeon’s instructions for wound care and overall recovery.
How to Choose the Right Device for At-Home Pain Relief

When picking a home red light therapy device for post-surgery care, you have several excellent options. The main types include flexible pads, stationary panels, and handheld wands.
For safety and effectiveness, always choose a device from a trusted brand. Look for devices that are FDA-cleared, as this shows they have met specific standards for safety and quality.
A handheld device is perfect for targeting a specific, small area. This lets you deliver a precise and powerful dose of light right where you need it most. However, treating larger areas can take more time.
To treat a larger area like your back, or to wrap around a joint like a knee or shoulder, a flexible pad is an ideal choice. These devices bend to fit your body, delivering light directly to the skin with minimal loss of energy.
A stationary panel is a boxed light that treats a large section of your body from a short distance. While panels are great for general wellness and large areas, they are less precise for treating a specific surgical site because the light spreads out.
Your choice depends on the location and size of your surgical area. For post-surgery recovery, a flexible pad or a targeted handheld wand often provides the most practical and effective treatment.
A Simple Guide to Using Red Light Therapy After Surgery

Getting started with red light therapy at home is easy. Following a few simple guidelines will help you get the best results safely.
First, never apply red light therapy directly over a fresh incision that is still covered by a bandage. While a small amount of light may get through, you will not receive a proper therapeutic dose.
Instead, you can treat the areas around the wound. This helps boost circulation and energy in the surrounding tissue, which indirectly supports healing at the surgical site itself. The increased blood flow will benefit the entire region.
Once your dressings are off and your doctor has given you the okay, you can begin treating the area directly. You can use a handheld device, a flexible pad, or a panel for this.
The most critical step is to follow the manufacturer’s instructions for your specific device. Each product has a different power output, so the recommended treatment time and distance are designed to provide a safe and effective dose.
A generic “10-minute” session might be too much or too little light, depending on your device. Following the instructions for your specific device ensures you get the right amount of light energy to ease pain and speed up your recovery.
A Final Word on Your Healing Journey
Your recovery after surgery is a personal journey, and using gentle, effective tools can make all the difference. Red light therapy offers a natural way to support your body’s healing power, reduce pain, and get you back to feeling like yourself sooner.
It provides a sense of control and lets you take part in your own wellness. By taking just a few minutes each day, you can help manage inflammation, boost cell repair, and soothe discomfort from the comfort of your home.
This therapy is not a magic bullet, but a scientifically-backed partner to your prescribed recovery plan. It works with your medical care by helping your body mend and rejuvenate.
Embrace this chance to nurture your body through its recovery. By combining the best of medical science with supportive, natural therapies, you can create a healing experience that is smoother, more comfortable, and more complete.
Remember, the first and most important step is always to speak with your surgeon or physician. Discuss whether red light therapy is the right choice for you to ensure you move forward with confidence and safety.
References and Further Reading
- [i] Lee HS, Lee Y, Kim H, Oh SJ, Hwang CW, Kang HW. Photomodulative effects of low-level laser therapy on tracheal fenestration developed in in vivo model. J Photochem Photobiol B. 2023 Mar;240:112669. doi: 10.1016/j.jphotobiol.2023.112669. Epub 2023 Feb 6. PMID: 36764068.
- Hamblin, M. R. (2017). Mechanisms and applications of the anti-inflammatory effects of photobiomodulation. AIMS biophysics, 4(3), 337–361. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5523874/
- Leite, F. J., et al. (2022). The Use of Photobiomodulation in the Management of Post-Surgical Pain: A Systematic Review. Pain research & management. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8919713/
- Medcove. (n.d.). Using Red Light Therapy Before and After Surgery. https://medcovet.com/blog/red-light-therapy-surgery/
- HealthLight. (2023). A Guide to Using Infrared Light Therapy Post-Surgery. https://healthlightllc.com/2023/03/28/guide-to-using-infrared-light-therapy-post-surgery/
- Medical News Today. (2023). What to know about cold laser therapy. https://www.medicalnewstoday.com/articles/cold-laser-therapy
