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Can a virus cause sinusitis?
What causes a sinus infection?
What causes acute sinusitis?
Aug 29, 2023 · Acute sinusitis symptoms often include: Thick, yellow or greenish mucus from the nose, known as a runny nose, or down the back of the throat, known as postnasal drip. Blocked or stuffy nose, known as congestion. This makes it hard to breathe through the nose.
Mar 9, 2023 · Nasal allergies cause sneezing, itchy nose and eyes, congestion, runny nose and postnasal drip (mucus in your throat). They usually don’t cause the facial pain that sinus infections do. COVID-19 can cause additional symptoms, like fever and shortness of breath.
May 10, 2021 · A sinus infection can cause mucus and fluid to back up in the throat, which may make the throat itch or feel full. Some people repeatedly cough to try to clear the throat, but others...
Jan 30, 2024 · A sinus infection, also known as sinusitis or rhinosinusitis, occurs when your nasal cavities become infected, swollen, and inflamed. Fluid buildup in the sinuses can cause germs to grow,...
Sep 30, 2020 · Sore throat. Chest congestion. Watery eyes. How a sinus infection happens. Colds can progress to become sinus infections, but not all sinus infections are viral. Bacteria and even allergies also can cause sinus infections. “A sinus infection occurs when the sinus lining becomes inflamed, preventing the sinuses from draining,” he says.
An infection, growths in the sinuses, called nasal polyps, or swelling of the lining of the sinuses can cause chronic sinusitis. Symptoms might include a blocked or stuffy nose that makes it hard to breathe through the nose and pain and swelling around the eyes, cheeks, nose or forehead.
Causes. Viruses cause most sinus infections, but bacteria can cause some sinus infections. Prevention. You can help prevent sinus infections by doing your best to stay healthy and keep others healthy, including: Clean your hands. Receive recommended vaccines, such as the flu vaccine and pneumococcal vaccine.
