Mar 9, 2023 · 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 …

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.

Sep 9, 2025 · Sinus pain and discomfort typically starts when your sinuses become irritated and inflamed, causing swelling that can narrow or close off the openings. This makes it hard for mucus to …

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.

Sinus infection is inflammation and/or infection of the sinuses. Signs and symptoms of sinus infections include nasal congestion, facial pain and swelling, sinus headache, fever, and cough.

Sinusitis is one of the most common medical conditions. Sinusitis may occur in any of the four groups of sinuses: maxillary, ethmoid, frontal, or sphenoid. Sinusitis nearly always occurs in conjunction with …

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

The sinuses are cavities, or air-filled pockets, that are near the nose passage. The sinuses make mucus. This fluid cleans the bacteria and other particles out of the air you breathe. What causes sinusitis? A …

Apr 17, 2026 · One of the simplest, cheapest, and most effective ways to prevent and treat sinus problems is nasal irrigation. Using a homemade solution, you can often relieve sinusitis symptoms, …

Most sinus infections are caused by viruses or bacteria. This can happen when the common cold, the flu, COVID-19, allergies, or another illness causes your sinus tissue to swell, leading to a buildup of …