Sinus Infection (Sinusitis) 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 …

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.

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 drainage …

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 17, 2025 · Sinus infection symptoms include a runny or stuffy nose, facial pain, and post-nasal drip. Bacteria, fungi, and viruses can cause a sinus infection.

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. Home …

What is sinusitis? Sinusitis is an infection of the lining of the sinuses near the nose. These infections most often happen after a cold or after an allergy flare-up. There are 4 types: Acute. Symptoms last …

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.

Nov 22, 2025 · Sinusitis, also known as a sinus infection, can cause symptoms such as facial pain, congestion, and headache. Learn about the causes, duration, and treatment options for sinusitis in …

May 2, 2024 · Chronic infection can cause mucosal swelling and inflammation. There are three types of sinusitis: Acute sinusitis is when symptoms are present for 4 weeks or less. It is caused by viruses or …