Acute sinusitis usually follows a viral infection in the upper respiratory tract, but allergy-causing substances (allergens) or pollutants may also trigger acute sinusitis. A Viral infection damages the cells of the sinus lining, leading to inflammation. The lining thickens, obstructing the nasal pa...
A sinus infection, calledsinusitis, is when fluid builds up in your sinuses, allowing bacteria, fungi, or viruses to grow. When an infection occurs, the nose and sinuses can become swollen or inflamed—leading to a host of symptoms. Common Symptoms of a Sinus Infection An acute sinus infect...
Sinusitis, or sinus infection, is a very common medical condition often confused with a cold or flu. Sinusitis as a condition refers to the swelling of the underlying tissue lining found in the sinuses. Healthy sinuses are like small sacs filled with air; however, when these get clogged w...
A bacterial sinus infection, on the other hand, sticks around longer -- often a week to 10 days. You can treat the symptoms the same way you treat those of viral sinusitis. Unfortunately, your bacterial infection may get worse, not better, after 7 days. That’s when it’s time to se...
Pansinusitis Normally, a sinus infection doesn’t affect all four pairs of sinuses in your head; it only affects one or two. But sometimes, all four can become infected at once. This is known as pansinusitis. Bacterial sinusitis vs. viral sinusitis Both types of sinusitis are infections...
What is a sinus infection? A sinus infection, also known as sinusitis or acute rhinosinusitis (ARS), is an inflammation of the sinuses that’s caused by a virus or bacteria. When your sinuses are infected, it means that fluid has built up in the air cavities around your nasal passages....
Sinusitis is the inflammation of the hollow cavities around the cheek bones, found behind the nose and around the eyes. Although more common in the winter, it can last for months — even years — if not properly treated. Allergy sufferers are also much more likely to develop chronic sinus...
It May Start as a Cold Most cases of sinusitis start off with inflammation from a virus such as a common cold virus. This inflammation can lead to bacterial colonization and cause a bacterial sinus infection. Sinusitis Symptoms Pressure and pain in the sinuses (in different areas of the face...
inflammation of the aircavitieswithin the passages of the nose (paranasal sinuses). It can be caused by infection (sinus infection) as well asallergyand chemical irritation of the sinuses. A sinus infection (infectious sinusitis) occurs when a virus, bacterium, or fungus grows within a sinus....
inflammation of the aircavitieswithin the passages of the nose (paranasal sinuses). It can be caused by infection (sinus infection) as well asallergyand chemical irritation of the sinuses. A sinus infection (infectious sinusitis) occurs when a virus, bacterium, or fungus grows within a sinus....