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  1. Acute sinusitis - Diagnosis and treatment - Mayo Clinic

  2. Chronic sinusitis - Diagnosis and treatment - Mayo Clinic

  3. Acute sinusitis - Symptoms and causes - Mayo Clinic

  4. Chronic sinusitis - Symptoms and causes - Mayo Clinic

  5. Acute sinusitis: Do over-the-counter treatments help?

  6. What is the best antibiotic to treat a sinus infection? - Drugs.com

  7. Staph infections - Diagnosis & treatment - Mayo Clinic

  8. Sinus headaches - Symptoms & causes - Mayo Clinic

  9. Nasal polyps - Diagnosis and treatment - Mayo Clinic

  10. Aspergillosis - Diagnosis & treatment - Mayo Clinic