Risk factorsBy Mayo Clinic staff
You may be at increased risk of getting sinusitis if you have:
- Hay fever or another allergic condition that affects your sinuses
- A nasal passage abnormality, such as a deviated nasal septum, nasal polyps or tumors
- A medical condition such as cystic fibrosis, GERD or an immune system disorder such as immunoglobulin or antibody deficiency
- Regular exposure to pollutants such as cigarette smoke
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