The common cold (viral respiratory illnesses), allergies and factors in the environment are the most common triggers for the development of sinusitis. Other important factors may include tobacco exposure, nasal septal deviation, nasal polyps, dryness and mold sensitivity. Diseases such as asthma, cystic fibrosis, bronchiectasis, immune deficiencies and immotile cilia syndrome are often associated with sinusitis. In many people with sinus problems, the lining of the nose and sinuses is overly sensitive to a variety of factors. Thus there are multiple possible triggers for the development of sinusitis.
This information has been approved by Todd Kingdom, MD (July 2006).