DrugAdjunctive line
Saline nasal irrigation
Mechanical clearance / mucosal hydration
- Response rate
- Symptom improvement
- Onset
- Days–weeks
- Route
- Nasal irrigation 1–2x daily
- Line
- Adjunctive
- IgM effect
- No direct effect
- Evidence level
- green
Evidence summary
High-volume saline irrigation improves mucociliary clearance and reduces symptom scores. Recommended as adjunctive therapy in all CRSwNP patients by EPOS 2020. Low cost, no side effects.