Overview Efficacy Of Erythromycin Phonophoresis on Chronic Rhinosinusitis Status: NOT_YET_RECRUITING Trial end date: 2025-09-15 Target enrollment: Participant gender: Summary The purpose of the study is to evaluate the therapeutic effect of erythromycin phonophoresis in reducing chronic rhinosinusitis.Phase: NA Details Lead Sponsor: Cairo UniversityTreatments: ErythromycinUltrasonography