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.

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.

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 …

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.

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.

May 29, 2025 · Blocked sinuses can be uncomfortable, interrupt sleep, and cause headaches. There are ways to clear your sinuses relatively quickly, but there is no one-size-fits-all approach.

Aug 29, 2023 · Acute sinusitis causes the spaces inside the nose, known as sinuses, to become inflamed and swollen. Acute sinusitis makes it hard for the sinuses to drain. Mucus builds up. Acute …

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.

Sep 30, 2025 · Sinus infections (sinusitis) cause swelling of the sinus lining and can lead to congestion, pain, and nasal discharge. Sinus infections can be bacterial or viral, with treatment depending on the …