Narrow-band red light phototherapy in perennial allergic rhinitis and nasal polyposis
A randomized, double-blind, prospective study published in Annals of Allergy, Asthma & Immunology (1997) examined the effects of narrow-band red light phototherapy on patients with perennial allergic rhinitis and nasal polyposis. Among allergic rhinitis patients, 72% reported symptomatic improvement, and 70% showed objective endoscopic improvement, compared to 24% and 3%,
June 26, 2025
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