Knee Bursitis Treatment Using LLLT/PBMT

Low Level Laser Therapy (LLLT), also known as Photobiomodulation Therapy (PBMT), uses red and near-infrared light applied over targeted areas. In our clinic it is used as part of a GP-led treatment approach for selected musculoskeletal pain and injury presentations, including selected knee bursitis presentations.

PBMT/LLLT is non-invasive and generally well tolerated. Suitability and response vary, and treatment recommendations depend on the diagnosis, severity, duration of symptoms and individual clinical factors. PBMT/LLLT has been studied for a range of musculoskeletal pain and injury conditions. See our references page for supporting literature.

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Key Points

  • Knee bursitis occurs when one or more bursae around the knee become inflamed or irritated.
  • Common causes include prolonged kneeling, repetitive pressure, trauma, tendon irritation, osteoarthritis and age-related tendon change.
  • Symptoms include pain, tenderness, warmth, swelling, stiffness and increased pain with pressure or repetitive movement.
  • Visible localised swelling in front of the knee may require drainage or other specific management and is not suitable for LLLT/PBMT alone.
  • Low Level Laser Therapy (LLLT), or Photobiomodulation Therapy (PBMT), is considered for selected deeper knee bursitis presentations where bursal inflammation, tendon irritation or local inflammatory processes are contributing to symptoms.
  • LLLT may be particularly relevant where loading, pressure, kneeling or exercise aggravates sensitive knee structures.
  • Treatment is GP-led by Dr Shikha Parmar and delivered under medical supervision as part of a structured six-week program.
  • LLLT can be considered for people with persistent knee bursitis or related soft tissue pain who have not improved with usual conservative care, after appropriate medical assessment.

What Is Knee Bursitis?

Knee bursitis refers to inflammation or irritation of one or more of the bursae around the knee. A bursa is a small fluid-filled sac that reduces friction between tissues such as bone, muscle, tendon and skin.

The commonly affected bursae include the prepatellar bursa, infrapatellar bursa, pes anserine bursa and suprapatellar bursa. When these bursae become irritated, pain can worsen with kneeling, repetitive movement or direct pressure.

Causes of Knee Bursitis

  • Repetitive pressure or minor impact, such as prolonged kneeling
  • Overuse or injury involving nearby muscles and tendons
  • Sudden trauma to the knee
  • Age-related tendon degeneration
  • Osteoarthritis or other knee joint irritation
  • Less commonly, gout, infection or systemic disease

Knee bursitis is more common in adults, particularly those over 40 years of age.

Symptoms

  • Pain and tenderness around the knee
  • Warmth or swelling over the affected bursa
  • Reduced range of motion or stiffness
  • Increased pain with kneeling, squatting or repetitive movement
  • Pain at rest when pressure is placed on the knee

How is Knee Bursitis Diagnosed?

Diagnosis involves a detailed history and physical examination. Dr Shikha Parmar will assess swelling, tenderness, pain pattern, movement and any repetitive activities or injury that may have contributed.

X-ray, ultrasound or MRI may be used to confirm the diagnosis, assess fluid collections, or rule out other knee injuries such as fracture or ligament injury.

A Note About Superficial Visible Knee Bursitis

LLLT/PBMT is not suitable as treatment for knee bursitis involving a visible, localised fluid collection in front of the knee. Significant fluid build-up may require drainage or other specific medical management.

Deeper forms of bursitis associated with tendon or ligament irritation, osteoarthritis, cartilage damage or soft tissue inflammation may be considered for LLLT/PBMT after clinical assessment.

Knee Bursitis – Treatment Overview

Low Level Laser Therapy (LLLT), also known as Photobiomodulation Therapy (PBMT), is a non-invasive treatment approach used as part of a structured program for selected knee bursitis presentations. It may help modulate pain and local inflammatory processes and support bursal and soft tissue recovery without adding mechanical stress to sensitive knee structures.

Why Consider Low Level Laser Therapy (LLLT)?

Many patients present after limited relief from rest, ice, anti-inflammatory medication, cortisone injections, PRP or exercise programs. These approaches may ease symptoms temporarily, but are not suitable for every stage of recovery, especially if kneeling, loading or pressure aggravates symptoms.

Why ice, anti-inflammatories, cortisone, and PRP may not support long-term recovery. Read more here.

How LLLT Supports Healing

LLLT uses red and near-infrared light and may support:

  • Helping modulate inflammation and oxidative stress
  • Local circulation and oxygenation
  • Lymphatic drainage
  • Cellular energy production (ATP)
  • Soft tissue and bursal recovery processes where irritation is present
  • Assisting pain reduction without mechanical loading or stressing the knee joint or surrounding tissues
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Non-Invasive and Supported by Research

PBMT/LLLT is non-invasive and generally well tolerated. It has been studied in a range of musculoskeletal pain and injury conditions. Individual responses vary, and outcomes depend on the condition being treated and the stage of recovery. Read more here.

See how LLLT may support the cellular environment involved in tissue recovery here.

Our Treatment Program

All patients are assessed by Dr Shikha Parmar (GP). Treatment is delivered within a structured six-week program, including:

  • Up to 12 LLLT sessions
  • Early progress review after the first 6 treatments
  • Individualised advice and activity modification
  • Guided rehabilitation to support longer-term function

Progress is reviewed during the program. Many patients notice appreciable improvement after the first 6 treatments. If there has not been sufficient improvement by this review point, further treatment may not be recommended.

View the full treatment protocol and expected outcomes here.

Ready to Discuss Your Knee Bursitis Treatment Options?

If you are struggling with persistent knee bursitis or related soft tissue pain, we invite you to contact our team at Laser Pain Therapy to discuss the suitability of LLLT for your presentation. Treatment suitability and outcomes vary, and assessment is required before recommendations can be made.

Contact us today to arrange your consultation.
📍 Located in Melbourne
📞 (03) 8529 2225 Contact Us

View treatment cost here

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