This study was done to find out the effect of photobiostimulation and pulsed electromagnetic field in patients with chronic rhinosinusitis on:
* Quality of life. * Pulmonary function. * Mean platelet volume. * headache . * total nasal symptoms.
Participants suffering from mild to moderate symptoms (baseline Total nasal symptoms score ≤ 9).
Subjects age range from 20 to 40 years old.
Patients of both sexes.
proven positive allergy test (skin prick test or multiple allergen simultaneous test) to any of the common perennial allergens such as dust mites, molds, insects, and animal dander within the last 12 months
Pregnant or breastfeeding women.
Patients with a definite deviated nasal septum, or history of operation within the last 6 months.
Hypertension, diabetes mellitus, malignancy, active pulmonary tuberculosis, active respiratory disease like asthma, or other systemic diseases.
Long-term use of corticosteroids or immunosuppressive agents.