Sinusitis is an inflammation, or swelling, of the tissue lining your sinuses. Sinuses are structures inside your face that are normally filled with air. Bacterial infections, viral infections and allergies can irritate …

Jan 28, 2025 · A sinus infection occurs when your nasal cavities become swollen, infected, or inflamed. Learn about the symptoms and how to treat them.

Read about possible causes of lasting sinus troubles, treatments and how to prevent these problems.

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.

1 day ago · Sinusitis, also known as a sinus infection, can cause symptoms such as facial pain, congestion, and headache.

Apr 17, 2024 · When you have a sinus infection, one or more of your sinuses becomes inflamed. Fluid builds up, which can cause congestion and runny nose.

Jul 17, 2024 · Discover effective strategies to relieve a sinus headache. Learn about home remedies and treatments that relieve sinus pressure and reduce sinus inflammation.

One notable symptom of a sinus infection is the presence of thick nasal discharge. This discharge may exhibit a greenish, yellowish, or cloudy appearance and can occasionally contain traces of blood.

Jun 29, 2025 · Sinusitis (inflamed sinuses) is sometimes caused by an infection, but there are several types (such as chronic or recurrent). Find all the symptoms.

The doctors at Mount Sinai in NYC lead in the diagnosis & treatment of nasal & sinus disease, from nosebleeds and acute & chronic sinusitis to sinus cancers.