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 …

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

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 …

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, …

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

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 …

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.

Dec 11, 2025 · Acute sinus infections often start with allergies or a viral infection. Recurrent sinus infections occur when you have multiple sinus infections over a year. Complications of sinus …

Jul 16, 2025 · Sinus infections, or sinusitis, occur when a virus of bacteria enters the sinuses. Read on for a list of common symptoms and treatments.

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 …