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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

    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. 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 …

  4. Chronic Sinusitis: Causes, Symptoms, Diagnosis, and Treatment

    Sep 10, 2025 · Chronic sinusitis is not a minor inconvenience; it is a complex, persistent condition that can deeply affect physical, emotional, and social well-being. Understanding its causes, …

  5. 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 …

  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 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, …

  8. Chronic Sinusitis

    Chronic sinusitis is a common medical condition caused by bacteria—primarily anaerobic, gram-negative bacteria such as Staphylococcus aureus—or fungi, accounting for nearly 2.7 million …

  9. 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 …

  10. Diagnosis and management of chronic rhinosinusitis - PMC

    Patients with chronic rhinosinusitis typically present with long-term nasal congestion, rhinorrhea, facial pressure, and altered sense of smell. A definitive diagnosis requires objective findings …