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 facial pain, a stuffy or runny nose, and sometimes a fever …
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 …
Sinus Infection (Sinusitis): Symptoms, Causes, Duration, and ...
Nov 22, 2025 · Learn about the causes, duration, and treatment options for sinusitis in this comprehensive guide.
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, …
Sinusitis - Johns Hopkins Medicine
Detailed information on sinusitis, including causes, symptoms, diagnosis, and treatment.
Sinusitis - Ear, Nose, and Throat Disorders - Merck Manual ...
Sinusitis is inflammation of the sinuses, most commonly caused by a viral or bacterial infection or by an allergy.
Sinus Infection | Sinusitis | Sinus infection Symptoms ...
Jun 29, 2025 · Allergies, nasal problems, and certain diseases can also cause acute and chronic sinusitis. Symptoms of sinusitis can include fever, weakness, fatigue, cough, and congestion.