Sinus Infection (Sinusitis): Causes, Symptoms & Treatment
Sinusitis is an inflammation of the tissues in your sinuses (spaces in your forehead, cheeks and nose usually filled with air). It causes …
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.
Sinusitis - Wikipedia
Sinusitis is classified into acute sinusitis, subacute sinusitis, and chronic sinusitis. In acute sinusitis, symptoms last for less than four …
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 …
Sinusitis (sinus infection) - NHS
Find out about sinusitis (sinus pain), including the symptoms and treatments and when to get medical help.
What to do about sinusitis - Harvard Health
Apr 17, 2026 · Sinusitis occurs when blocked sinuses cannot drain and the backed-up mucus gets infected. The simplest and often …
Sinusitis Symptoms: 6 Warning Signs Your Body Is Telling You to See a ...
Oct 16, 2025 · Sinusitis refers to inflammation of the air-filled cavities around your nose and eyes. When these tissues swell due to …
Sinusitis (Sinus Infection) Types, Causes, Symptoms, Treatment
Sinusitis or sinus infection is inflammation of the air cavities within the passages of the nose. Learn the types, causes, symptoms, …
What’s causing your sinus trouble? - Mayo Clinic Press
Sep 9, 2025 · The most common cause of sinusitis is the common cold, which is caused by a virus. Most people can typically fight off …
Sinus Infection Basics | Sinus Infection | CDC
Apr 17, 2024 · Key points Stuffy nose that just isn't getting better? You might have a sinus infection, also called sinusitis. You don't …
