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Doctor insights on: Causes Of Sinus Infection

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What causes a sinus infection?

What causes a sinus infection?

Lots of things: Anything that clogs the nose can block the sinuses. Common causes of nasal swelling include upper respiratory tract infections (colds) and allergies. Once the sinuses cannot drain, bacteria can accumulate in the sinuses and increase in large enough numbers to cause the symptoms of infection. The bacteria can come from various sources, including the nasopharyx and the adenoids that reside there. ...Read more

Dr. Amrita Dosanjh
3 doctors shared insights

Sinus (Definition)

In anatomy, a sinus is a cavity within a bone or other tissue. Most commonly found in the bones of the face and connecting with the nasal cavities. Sinus (anatomy), description of the general term paranasal sinuses, air cavities in the cranial bones, especially those near the nose, including: the maxillary sinuses, also called the maxillary antra and the largest of the ...Read more


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What causes a sinus infection?

What causes  a sinus infection?

Microbes...: Microbes: most commonly viruses, and occasionally bacteria. ...Read more

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Can salsa cause a sinus infection?

Can salsa cause a sinus infection?

Salsa and sinusitis: Hello, I am not aware of any link to eating and swallowing salsa and an associated increased risk for sinusitis. ...Read more

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What is the cause of sinus infection in elder people?

What is the cause of sinus infection in elder people?

Bacteria: Bacteria is the main cause of a sinus infection. They can occur at any age. The only reason they may occur more frequently in the elderly is because their immune system is somehow compromised due to medications, illness, or other health problems. ...Read more

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What commonly causes a sinus infection, and is it preventable?

Cause of sinus inf: For most people who get acute sinusitis it is caused by inflammation and thickening of the mucous membranes which block the very small openings of the sinuses and causes back of fluid, which is a great place for germs to grow. By far the most common causes are the ordinary cold and allergies. Regular sinus rinsing is probably the best preventive treatment. ...Read more

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Can acinetobacter cause a sinus infection?

Can acinetobacter cause a sinus infection?

Acinetobacter: This would be an unusual bacterial cause of sinusitis, but virtually any organism can produce infection under the proper circumstances. This organism most commonly infects the sinuses when the patient is nasally intubated or has a nasogastric feeding tube in place. ...Read more

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Can pollens cause a sinus infection?

Secondarily: If you have an allergy which produces swelling in your nostrils this may block drainage from the frontal and maxillary sinuses and this may result in sinus infection. ...Read more

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Can blowing your nose hard cause a sinus infection?

Can blowing your nose hard cause a sinus infection?

Not likely: Nose blowing seeks to push mucus out of the sinuses, not drag bad air into them. ...Read more

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Can Lexapro (escitalopram) cause a sinus infection ?

Can Lexapro (escitalopram) cause a sinus infection ?

No: Sinus infection is caused by a pathogen, such as a bacteria, virus, or fungus. Lexapro (escitalopram) is an antidepressant and does not cause infections. ...Read more

Dr. Amrita Dosanjh
9 doctors shared insights

Infection (Definition)

Infections are invasions of some other organism (fungus, bacteria, parasite) or viruses into places where they do not belong. For instance, we have normal gut bacteria that live within us without causing problems; however, when those penetrate the bowel wall and enter the bloodstream, ...Read more


Dr. Julie Abbott
8 doctors shared insights

Sinusitis (Definition)

Sinusitis is inflammation of the ...Read more