Does low-level laser therapy (LLLT) or photobiomodulation (PBM) alleviate nasal congestion?

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Last updated: April 26, 2025View editorial policy

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From the Research

Red light therapy may be beneficial for sinus congestion, but the most effective treatment is daily hypertonic saline nasal irrigation, as shown in a randomized controlled trial 1. This treatment involves using a saline solution to rinse the nasal passages, which can help to reduce inflammation and improve sinus drainage. The study found that daily hypertonic saline nasal irrigation improved sinus-related quality of life, decreased symptoms, and decreased medication use in patients with frequent sinusitis. In contrast, the evidence for red light therapy is limited, and it is not a substitute for established treatments like saline rinses, steam inhalation, or prescription medications. If you're considering red light therapy, it's best used as a complementary approach alongside conventional treatments, and you should consult with a healthcare provider before starting, especially if you have chronic sinusitis or other medical conditions. Some studies suggest that red light therapy may be effective in reducing inflammation and improving symptoms in patients with allergic rhinitis 2, but more research is needed to confirm its effectiveness for sinus congestion. Overall, the best approach to managing sinus congestion is to use a combination of established treatments, such as saline rinses and steam inhalation, and to consult with a healthcare provider to determine the most effective treatment plan. Key points to consider when using red light therapy for sinus congestion include:

  • The wavelength of the light, which is typically in the range of 600-700 nm
  • The duration of the treatment sessions, which can last from 10-20 minutes
  • The frequency of the treatments, which can be daily or as needed
  • The potential risks and side effects, which are generally mild and temporary.

References

Research

Narrow-band red light phototherapy in perennial allergic rhinitis and nasal polyposis.

Annals of allergy, asthma & immunology : official publication of the American College of Allergy, Asthma, & Immunology, 1997

Professional Medical Disclaimer

This information is intended for healthcare professionals. Any medical decision-making should rely on clinical judgment and independently verified information. The content provided herein does not replace professional discretion and should be considered supplementary to established clinical guidelines. Healthcare providers should verify all information against primary literature and current practice standards before application in patient care. Dr.Oracle assumes no liability for clinical decisions based on this content.

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