The Complete Guide to Red Light Therapy for Pain Relief

HEAL FASTER AND FEEL LESS PAIN
A white background with a few lines on it

New To Light Therapy? Here is a complete informational guide.

The Complete Guide to Red Light Therapy for Pain Relief

Pain can interfere with nearly every part of life — from simple daily activities to sleep, exercise, and overall well-being. Many people rely on medications or invasive procedures to manage chronic pain, but there are also non-drug options that support the body’s natural healing processes.


One treatment that has gained significant attention in recent years is red light therapy, a non-invasive treatment that helps reduce inflammation, promote tissue repair, and relieve pain.

In this guide, we’ll explain how red light therapy works, what conditions it may help treat, and what to expect from treatment.


What Is Red Light Therapy?

Red light therapy is a treatment that uses specific wavelengths of light to stimulate cellular activity and promote healing in the body.

The therapy typically uses two types of light:

• Red light wavelengths
• 
Near-infrared light wavelengths

These wavelengths penetrate the skin and underlying tissues, where they interact with cells and support the body’s natural repair processes.

Because of its ability to stimulate healing at the cellular level, red light therapy is sometimes referred to as:

  • photobiomodulation therapy
  • low-level laser therapy
  • LED light therapy

Despite the different names, they all refer to the use of therapeutic light to support healing and pain relief.

How Red Light Therapy Works

Red and near-infrared light affect the body at the cellular level.

Inside every cell are structures called mitochondria, which act as the cell’s energy producers. Red light therapy stimulates these mitochondria, helping them produce more energy.

This process can lead to several biological effects that support healing.

Increased cellular energy

Cells become more efficient at repairing damaged tissue.

Reduced inflammation

Light therapy can help decrease inflammatory responses in injured or irritated tissue.

Improved circulation

The treatment may improve blood flow, delivering oxygen and nutrients to areas that need healing.

Faster tissue repair

Enhanced cellular activity can help the body recover more quickly from injury or strain.

These effects together help explain why light therapy is used for a variety of pain and injury conditions.



Conditions Red Light Therapy May Help Treat

Red light therapy is commonly used to support recovery from many types of pain and musculoskeletal conditions.

Some of the most common include:

Arthritis

Joint inflammation from arthritis can cause stiffness, swelling, and chronic discomfort. Light therapy may help reduce inflammation and support joint mobility. More Info On Arthritis →

Back and neck pain

Muscle tension, disc irritation, and inflammation in the spine can lead to persistent pain. Light therapy may help relax muscles and improve circulation to the affected area. More info on Back and Neck Pain→

Neuropathy

Peripheral neuropathy often causes burning, tingling, or numbness in the hands and feet. Light therapy may help stimulate nerve repair and improve circulation. More Info On Neuropathy→

Plantar fasciitis

This common foot condition causes inflammation in the band of tissue supporting the arch. Light therapy may help reduce inflammation and accelerate healing. More info on Plantar Fasciitis→

Sports injuries

Sprains, strains, and soft-tissue injuries can benefit from improved circulation and faster tissue repair. More info on Sports Injuries→

Joint pain and inflammation

Red light therapy is often used for general joint pain in the knees, shoulders, hips, and elbows.

Because it supports the body’s natural healing process, the treatment may also help with injury recovery and post-surgical healing. More info on whole body natural healing→


Is Red Light Therapy Safe?

Red light therapy is widely considered a safe, non-invasive treatment when administered correctly.

Unlike medications, it does not introduce chemicals into the body. Unlike surgery, it does not involve incisions or recovery time.

Most patients experience:

• little to no discomfort
• no downtime after treatment
• minimal side effects

Because the treatment works with the body’s natural healing processes, it is often used as part of a broader pain management strategy.


What Does a Red Light Therapy Treatment Feel Like?

A typical treatment session is simple and comfortable.

During the session:

  1. The treatment area is exposed to therapeutic light.
  2. The light device is positioned over the area of concern.
  3. The treatment lasts several minutes depending on the condition being treated.

Most patients describe the sensation as warm and relaxing.

There is no recovery time required, so patients can usually return to their normal activities immediately after treatment.


How Many Treatments Are Needed?

The number of sessions needed depends on several factors:

• the condition being treated
• how long symptoms have been present
• overall health and lifestyle factors

Some patients notice improvements after just a few sessions, while others benefit from a series of treatments to achieve optimal results.

A personalized treatment plan is usually recommended based on the individual’s needs and goals.


Red Light Therapy vs Pain Medication

Pain medications often focus on masking symptoms rather than addressing the underlying causes of inflammation or tissue damage.

Red light therapy works differently.

Instead of blocking pain signals, it helps the body:

• reduce inflammation
• improve circulation
• stimulate tissue repair

Because of this, many people explore light therapy as part of a broader approach to pain management.


Red Light Therapy and Whole-Body Healing

Pain is not always caused by a single factor. Inflammation, nutrition, lifestyle habits, and physical stress can all contribute to how the body heals.

For this reason, some clinics combine light therapy with other approaches that support whole-body wellness.

At Advantage Therapy Solutions, light therapy treatments may be combined with functional nutrition strategies designed to support healing and reduce inflammation from the inside out.


What to Expect at Your First Appointment

During an initial consultation, a practitioner will typically:

• review your symptoms and medical history
• discuss treatment goals
• determine whether light therapy is appropriate for your condition

If treatment is recommended, a customized plan may be developed to address your specific concerns.


Frequently Asked Questions


Does red light therapy really work?

Research suggests that red and near-infrared light therapy can stimulate cellular activity, reduce inflammation, and support tissue repair.

Is red light therapy painful?

Most patients feel only a gentle warmth during treatment.

How long does a treatment session take?

Sessions are typically short and may last several minutes depending on the area being treated.

Is there any downtime?

No. Most people can return to their normal activities immediately after treatment.


Is Red Light Therapy Right for You?

If you’re dealing with chronic pain, inflammation, or slow injury recovery, red light therapy may be worth exploring as a non-invasive treatment option.

Because every person and condition is different, the best way to determine whether the treatment is appropriate is through a consultation with a qualified provider.


Click here to schedule a consultation→

Click below to find information about other conditions

Side-by-side photos of a person with sun. The left photo is dated 4/24/19, and the right is 4/27/19.
February 26, 2026
Can red light therapy help heal sunburn? We break down the science behind photobiomodulation, inflammation, and skin recovery.
Woman in black shirt leading exercise class, arms outstretched.
February 16, 2026
Many patients want options that support comfort and function without relying on medication. Light therapy is being studied as one possible tool for symptom relief.
Woman with short blonde hair smiles as someone in blue scrubs adjusts something near her neck.
December 30, 2025
Photobiomodulation (or low-level laser therapy) is being studied for its potential to reduce pain and inflammation and support tissue recovery. The results are in!
Man holding his lower leg, possibly in pain from plantar fasciitis. Green grass, blue sneakers.
December 29, 2025
A 2019 meta-analysis reported meaningful heel pain relief after LLLT, with effects lasting for months in some cases.
Person with one foot bare and other in a black athletic shoe, sitting on a neutral surface.
November 16, 2025
Plantar fasciitis is one of the most common causes of heel pain. Light therapy offers a solution with no pain, downtime, or needles.
Person seated in a light beige outfit, using a tablet, in a bright, neutral-toned room.
October 17, 2025
While it is not a cure, light therapy can be a meaningful addition to comprehensive care when guided by a healthcare professional.
a person is getting a laser treatment on their knee
June 1, 2023
The therapy works by increasing ATP production, reducing oxidative stress, and restoring cellular respiration in damaged cells, allowing them to repair and return to healthy function. It can be administered through whole-body treatments or handheld devices, and the recommended treatment protocol may vary based on the severity and history of the condition being treated.
Woman with migraine pain sits on couch, holds head
By Alida Lee April 16, 2023
"Wow! I’m so thankful I finally tried a treatment with you all. I had a migraine that would not go away and went in on Friday. By the time I got back to Kinston it was gone. I’ve had migraines for a long time and have never had one go away without medicine. It was amazing that the light therapy worked so fast! Also, you were fantastic getting me in so quick! Thank you!!"
Red light therapy device being used to improve mood and reduce symptoms of depression
December 20, 2022
We are passionate about educating our patients about all of the amazing ways light therapy can help you feel better and live your best life! Light and laser therapies are a safe, natural way to boost your mood and improve mental clarity.
Man bending over in pain after ankle injury
By Alida Lee August 11, 2021
Laser therapy does two things really well: reduce inflammation and increase circulation. This means it is an excellent modality to use for injury recovery. On average, patients using traditional treatments plus phototherapy lasers heal twice as fast as those using traditional treatments alone.