Sinus Infection (Sinusitis): Causes, Symptoms & Treatment
Sinusitis is an inflammation, or swelling, of the tissue lining your sinuses. Sinuses are structures inside your face that are normally …
Sinus (anatomy) - Wikipedia
A sinus is a sac or cavity in any organ or tissue, or an abnormal cavity or passage. In common usage, "sinus" usually refers to the …
What Are Sinuses? Causes, Symptoms & Best Ways to Treat Them
Oct 13, 2025 · The sinuses are air-filled cavities located in the bones around the nose, eyes, and forehead. Their main role is to …
What’s causing your sinus trouble? - Mayo Clinic Press
Sep 9, 2025 · Sinus pain and discomfort typically starts when your sinuses become irritated and inflamed, causing swelling that can …
Sinus infection: 11 symptoms and treatments - Medical News Today
Jul 16, 2025 · Sinus infections, or sinusitis, occur when a virus of bacteria enters the sinuses. Read on for a list of common …
Sinus Infection: Symptoms, Causes, and Treatment - Healthline
Jan 28, 2025 · A sinus infection occurs when your nasal cavities become swollen, infected, or inflamed. Learn about the symptoms …
How to Get Rid of a Sinus Infection - Healthline
Jan 17, 2024 · What causes a sinus infection? A sinus infection occurs when the tissue in the sinuses swells up. This leads to a …
Sinus Infection Basics | Sinus Infection | CDC
Apr 17, 2024 · When you have a sinus infection, one or more of your sinuses becomes inflamed. Fluid builds up, which can cause …
Sinusitis - Wikipedia
Sinusitis, also known as rhinosinusitis and commonly known as a sinus infection, is an inflammation of the mucous membranes that …
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 …