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What triggers sinusitis?

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Just like the lining of your nose, the sinuses can become irritated and swollen by allergens, viruses, or bacterial infection. Common triggers of sinusitis include:

  • A cold or viral infection
  • Air pollution and smog
  • Airborne allergens
  • Dry or cold air
  • Ozone

SOURCES:
American Academy of Allergy, Asthma & Immunology: "Tips to Remember: Sinusitis" and "Sinusitis."
American Academy of Family Physicians: "Impact of Chronic Sinusitis on Patients with Asthma."
Asthma and Allergy Foundation of America: "Rhinitis and Sinusitis" and "Sinus Problems."
Dixon A.E. et al, Chest, August 2006. 
Slavin R.G. ACP Medicine, 2005.

Reviewed by Nayana Ambardekar on September 2, 2020

SOURCES:
American Academy of Allergy, Asthma & Immunology: "Tips to Remember: Sinusitis" and "Sinusitis."
American Academy of Family Physicians: "Impact of Chronic Sinusitis on Patients with Asthma."
Asthma and Allergy Foundation of America: "Rhinitis and Sinusitis" and "Sinus Problems."
Dixon A.E. et al, Chest, August 2006. 
Slavin R.G. ACP Medicine, 2005.

Reviewed by Nayana Ambardekar on September 2, 2020

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What are common symptoms of sinusitis?

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