Treatment of Shoulder Bursitis 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 shoulder bursitis and related rotator cuff tendon 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
- Shoulder bursitis, also called subacromial or subdeltoid bursitis, is inflammation of the shoulder’s fluid-filled bursa, often secondary to tendon injury or overuse.
- It typically occurs alongside rotator cuff tendinopathy and is aggravated by repetitive motion, poor posture, trauma, or age-related degeneration.
- Common symptoms include shoulder pain with movement, discomfort when lying on the affected side, morning stiffness, tenderness, and reduced range of motion.
- Diagnosis is made through clinical assessment and may be supported by ultrasound, X-ray, or MRI to evaluate inflammation and associated tendon pathology.
- Low Level Laser Therapy (LLLT), or Photobiomodulation Therapy (PBMT), is considered for selected shoulder bursitis presentations where inflammation, soft tissue irritation or tendon involvement is contributing to symptoms.
- LLLT may be particularly relevant in the early recovery stage, where loading, stretching or repeated shoulder movement can aggravate symptoms.
- Some commonly used approaches, such as medication, injections, repeated loading, stretching or manual pressure, are not suitable for every stage of recovery. We provide advice based on the diagnosis, symptom severity and clinical assessment.
- Treatment is delivered under medical supervision by Dr Shikha Parmar as part of a structured, six-week program tailored to each patient’s condition.
- PBMT/LLLT has been studied in a range of musculoskeletal pain and injury conditions and is generally well tolerated. Individual responses vary, and outcomes depend on the condition being treated and the stage of recovery.
- LLLT may be helpful to consider for people with persistent or recurring shoulder bursitis who have not improved with usual conservative care, after appropriate medical assessment.
What is Shoulder Bursitis?
Shoulder bursitis, also referred to as subacromial bursitis or subdeltoid bursitis, involves inflammation of the shoulder bursa, often accompanied by injury to nearby rotator cuff tendons. In most cases, bursitis is a secondary response to strain or injury of the soft tissues of the shoulder, particularly the tendons and muscles.
A bursa is a thin, fluid-filled sac that reduces friction between tissues such as bone, muscle, tendon, and skin. The shoulder bursa is one of these sacs, helping to cushion movement between the rotator cuff tendons and the overlying bone. When the tendons or muscles become overworked, strained, or injured, the bursa may become inflamed, resulting in bursitis.
What Causes Shoulder Bursitis?
Shoulder bursitis and the related tendon conditions are most often caused by repetitive minor impact, overuse, or sustained pressure in the area. It may also follow a sudden traumatic injury.
Continued movement of the shoulder muscles and tendons over an inflamed bursa worsens irritation and inflammation, creating a self-perpetuating cycle.
Ageing also plays a significant role. As tendons become less elastic with age, they are more susceptible to strain, which in turn places more stress on the bursa. Similarly, arthritis in the shoulder joint can irritate the bursa directly.
Bursitis frequently coexists with rotator cuff tendinopathy or small tears in the tendons (see Shoulder Pain page). Unless both are addressed, inflammation can persist.
Risk factors include:
- Repetitive activities involving overhead motion (e.g. painting, tennis, throwing)
- Heavy lifting or manual labour (e.g. carpentry, gardening, shovelling)
- Poor posture at work or home
- Trauma or falls
- Systemic inflammatory conditions (e.g. rheumatoid arthritis, gout)
Shoulder bursitis is more common in adults – particularly those over 40 years of age – and often occurs alongside other degenerative or overuse injuries.
Symptoms
Shoulder bursitis causes pain in the joint due to inflammation of the bursa. Pain may develop gradually or appear suddenly and severely. The shoulder may feel stiff or weak, especially during movement.
Symptoms commonly include:
- Pain during or after physical activity
- Discomfort when lying on the affected side
- Morning stiffness or reduced range of motion
- Difficulty reaching overhead or behind the back
- Tenderness around the shoulder
How is Shoulder Bursitis Diagnosed?
Diagnosis of shoulder bursitis begins with a thorough clinical history and examination. Dr Shikha Parmar, our GP, will ask about the location, onset, and pattern of your pain, as well as any recent injuries, repetitive use, or occupational activities.
During the physical examination, Dr Parmar will assess:
- Range of motion and shoulder flexibility
- Muscle strength and joint stability
- Presence of swelling, tenderness, or warmth over the bursa
- Signs of associated tendon involvement
In many cases, bursitis can be diagnosed clinically. However, if the diagnosis is uncertain or symptoms are persistent, imaging may be recommended:
- Ultrasound: Excellent for visualising inflamed bursae, fluid accumulation, and tendon pathology in real-time.
- X-ray: Helps rule out bony abnormalities or calcific bursitis.
- MRI: Offers detailed visualisation of soft tissues and may be used if more complex injury is suspected.
Shoulder Bursitis – Treatment Overview
Low Level Laser Therapy (LLLT), also known as Photobiomodulation Therapy (PBMT), is a gentle, non-invasive treatment approach used as part of a structured program for selected shoulder bursitis presentations. It may help modulate inflammation, calm irritated tissues and support soft tissue recovery without adding mechanical loading or stressing sensitive shoulder structures.
Why Choose Low Level Laser Therapy (LLLT)?
Many patients present after limited relief from rest, physiotherapy, massage, exercises, injections, or anti-inflammatory medication. These approaches may ease symptoms temporarily, but are not suitable for every stage of recovery, especially if loading or stretching aggravates sensitive shoulder tissues.
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:
- Help modulate inflammation and oxidative stress
- Support local circulation and oxygenation
- Support lymphatic drainage
- Support cellular energy production (ATP)
- Support tendon and bursal tissue recovery processes where irritation is present
- Assist pain reduction without mechanical loading or stressing the shoulder joint
Proven, Safe, and Effective
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 helps restore the cellular environment needed for repair 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 Shoulder Bursitis Treatment Options?
If you are struggling with persistent shoulder pain, stiffness, or reduced range of motion from bursitis, 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 to arrange your consultation.
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