Shoulder pain is a common complaint caused by muscle strain, tendonitis, bursitis, arthritis, or rotator cuff injuries. It can limit mobility and affect daily activities. Traditional treatments include pain medication, physical therapy, or steroid injections.
Recently, red light therapy (RLT) has gained attention as a non-invasive, drug-free option for reducing shoulder pain and promoting healing. But is it effective?
How Red Light Therapy Works for Shoulder Pain
Red light therapy uses specific wavelengths of red (630–660 nm) and near-infrared light (810–850 nm) that penetrate deep into tissues. This light is absorbed by mitochondria, enhancing ATP production and promoting cellular repair.
For shoulder pain, RLT can help:
- 🌿 Reduce inflammation in muscles, tendons, and joints
- 💡 Relieve pain by modulating nerve activity
- 🔋 Accelerate tissue repair, helping damaged muscles or tendons heal faster
- ❤️ Improve blood circulation, supplying oxygen and nutrients to affected areas
Scientific Evidence
Clinical studies support red light therapy for musculoskeletal pain:
- 📚 A study in Lasers in Medical Science found that low-level laser therapy (LLLT) significantly reduced shoulder pain and inflammation in patients with tendonitis.
- 🔬 Red light therapy has been shown to enhance healing of soft tissues, including rotator cuff injuries and muscle strains.
- 💡 RLT is commonly used in physical therapy clinics, sports medicine, and rehabilitation centers to support recovery from chronic or acute shoulder injuries.
How to Use Red Light Therapy for Shoulder Pain
- Session duration: 10–20 minutes per affected shoulder
- Frequency: 3–5 times per week until pain relief is achieved
- Device type: Red light pads, handheld devices, or MERICAN professional therapy beds
- Combination: Pair with stretching, physiotherapy, or gentle exercise for best results
MERICAN’s red light therapy systems provide precise, medical-grade wavelengths for deep tissue penetration, offering safe and effective relief.
Safety and Precautions
Red light therapy is non-invasive, UV-free, and drug-free, making it safe for most users. Precautions include:
- Avoid use on open wounds or infections
- Consult a doctor for severe shoulder injuries or underlying conditions
- Follow device guidelines for exposure time and distance
Conclusion
So, is red light therapy good for shoulder pain?
Yes. By reducing inflammation, relieving pain, and promoting tissue repair, red light therapy is a safe and effective complementary therapy for shoulder discomfort.
For those seeking fast, non-invasive pain relief, MERICAN red light therapy systems deliver professional-grade wavelengths and even light coverage, supporting recovery and improved mobility.