Overview Effect of Chinese Herbal Medicine Nasal Irrigation on the Postoperative Care of Chronic Rhinosinusitis Status: RECRUITING Trial end date: 2026-03-31 Target enrollment: Participant gender: Summary Investigators tried to evaluate the efficacy and safety of Chinese herbal medicine nasal irrigation as an adjuvant therapy after FESS.Phase: PHASE2 Details Lead Sponsor: Taichung Veterans General Hospital