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  1. Chronic sinusitis - Symptoms and causes - Mayo Clinic

    Read about possible causes of lasting sinus troubles, treatments and how to prevent these problems.

  2. Chronic Sinusitis: Symptoms, Causes & Treatment - Cleveland Clinic

    Jul 26, 2023 · Chronic sinusitis is long-lasting swelling or infection in your sinuses. Unlike acute sinusitis, which typically goes away within 10 days, chronic sinusitis may last 12 weeks or more.

  3. Chronic sinusitis (in adults) - Harvard Health

    Apr 11, 2023 · What is chronic sinusitis? Chronic sinusitis is a long-term inflammation of the sinuses. The sinuses are moist air spaces behind the bones of the upper face — between the …

  4. Understanding Chronic Sinusitis: Causes, Symptoms, and …

    Dec 3, 2024 · Chronic sinusitis describes a group of illnesses that cause persistent inflammation of the sinuses. Learn about sinus disease symptoms, causes and treatments.

  5. Chronic sinusitis: Causes, symptoms and how to treat it

    Chronic sinusitis, also called chronic rhinosinusitis, is a condition where you have swelling, inflammation or a blockage in the nasal passages that lasts for 12 weeks or longer. If you have …

  6. Chronic Rhinosinusitis: Causes, Treatment, and More - Health

    Mar 5, 2025 · Chronic rhinosinusitis develops when the tissue that lines your nasal passages and sinuses becomes inflamed. This inflammation prevents your sinuses from draining properly, …

  7. Chronic Sinus Congestion: Sinusitis Causes, Symptoms, and …

    4 days ago · Chronic sinus congestion can stem from structural issues, infection, or polyps beyond allergies; understanding sinusitis symptoms and blocked nose causes improves …

  8. Chronic sinusitis (in adults) - Drugs.com

    Apr 1, 2025 · Chronic sinusitis is a long-term inflammation of the sinuses. The sinuses are moist air spaces behind the bones of the upper face — between the eyes and behind the forehead, …

  9. Why do chronic sinus infections keep coming back and what can …

    Jul 9, 2025 · Why do chronic sinus infections keep coming back and what can you do about it? Chronic sinus infections are usually driven by a mix of lingering inflammation, blocked …

  10. Chronic Sinusitis: Causes, Symptoms, and Treatment - Patient

    Jun 20, 2024 · Chronic sinusitis has a complicated set of causes. The main problem in chronic sinusitis is inflammation in the sinuses, and this can be caused by lots of things. The cause of …