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  1. Sinus Infection (Sinusitis): Causes, Symptoms & Treatment

    Mar 9, 2023 · Sinusitis is an inflammation of the tissues in your sinuses (spaces in your forehead, cheeks and nose usually filled with air). It causes facial pain, a stuffy or runny nose, and sometimes …

  2. Sinus Infection (Sinusitis): Symptoms, Causes, Duration, and ... - WebMD

    Nov 22, 2025 · Learn about the causes, duration, and treatment options for sinusitis in this comprehensive guide.

  3. Acute sinusitis - Symptoms and causes - Mayo Clinic

    Aug 29, 2023 · Acute sinusitis is most often caused by the common cold. Signs and symptoms may include a blocked and stuffy (congested) nose, which may block your sinuses and prevent drainage …

  4. Sinus Infection: Symptoms, Causes, and Treatment - Healthline

    Jan 28, 2025 · A sinus infection, also known as sinusitis or rhinosinusitis, occurs when your nasal cavities become swollen and inflamed. Fluid buildup in the sinuses can allow germs to grow, leading …

  5. Sinusitis - Wikipedia

    Sinusitis is classified into acute sinusitis, subacute sinusitis, and chronic sinusitis. In acute sinusitis, symptoms last for less than four weeks, and in subacute sinusitis, they last between 4 and 12 weeks.

  6. Sinusitis - Johns Hopkins Medicine

    Detailed information on sinusitis, including causes, symptoms, diagnosis, and treatment.

  7. Sinus Infection Basics | Sinus Infection | CDC

    Apr 17, 2024 · Sinus Infection Basics Key points Stuffy nose that just isn't getting better? You might have a sinus infection, also called sinusitis. You don't need antibiotics for many sinus infections, …

  8. Sinus Infection (Sinusitis) – Symptoms and Causes | Penn Medicine

    Do you have acute or chronic sinusitis? Acute sinusitis is a short-term illness that often resolves within a month and is usually caused by the common cold. Chronic sinusitis is often caused by bacteria, …

  9. Sinus Infection (Sinusitis): 18 Signs, Symptoms, Causes, Medications ...

    Pressure and pain in the sinuses (in different areas of the face or behind the eyes) are the main symptoms of sinusitis. Signs and symptoms of sinus infections depend upon the sinuses that are …

  10. Sinusitis - Ear, Nose, and Throat Disorders - MSD Manuals

    Sinusitis is inflammation of the sinuses, most commonly caused by a viral or bacterial infection or by an allergy.