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A 22-year-old member asked:

what causes sinusitis?

5 doctor answers12 doctors weighed in
Dr. Barbara A Majeroni
Specializes in Family Medicine
Often a virus: When the sinuses become congested, it can cause pressure and pain. Infections of the sinuses can be caused by viruses or bacteria.
Dr. David Lee
ENT and Head and Neck Surgery 32 years experience
Various: There are many possible causes of sinusitis, including but not limited to infection, allergies, inflammatory disease, problems with the anatomy (shape) of the sinuses, even masses.
Dr. Bernstein Joel
ENT and Head and Neck Surgery 60 years experience
Viral and bacterial: Sinusitis is an inflammation of the paranasal sinuses in the face and frontal bones. It always starts with a viral rhinitis (cold) and in about 2% of cases becomes secondarily infected with bacteria. Thus viruses and bacteria and rarely fungi can spread from the nose and enter through very small openings in the lateral wall of the nose into the sinuses.
Dr. David Kam
ENT and Head and Neck Surgery 36 years experience
Sinusitis: The common causes are bacteria and fungus. Patients with severe allergic rhinitis, severe septal deviation, nasal polyps, immunodeficiency, cystic fibrosis are prone to recurrent sinusitis.
Dr. Diane Minich
Family Medicine 37 years experience
Bacteria: Sinusitis is a bacterial infection in the sinuses.

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Similar questions

A 32-year-old member asked:

What causes recurring sinusitis?

2 doctor answers4 doctors weighed in
Dr. Patrick Melder
ENT and Head and Neck Surgery 27 years experience
Anatomy or swelling: Simply put recurrent sinusitis can occur from 1) an anatomic abnormality that blocks the sinus from draining (like a deviated septum) 2) the lining to the sinuses may become inflamed and swell and close the sinus opening ( this is usually related to allergy). Medical therapy is the first line treatment but many times, anatomic issues need to be addressed with surgery.
A 49-year-old member asked:

Can you please list the common causes of recurring sinusitis?

3 doctor answers5 doctors weighed in
Dr. M. Jan
Dr. M. Jananswered
Family Medicine 66 years experience
Infection: Infection, allergy and low humidity are the probable causes. 1. Take Amoxil 500 mg 4 times a day for 10 days 2. Yake Allegra (fexofenadine) 180 mg , one tablet at night for one month 3, make sure humidity in your room is above 50%. ( humidifier or water in a pale will help.
A 39-year-old member asked:

How can posterior scleritis and sinusitis cause proptosis and how to manage in that case?

1 doctor answer3 doctors weighed in
Dr. Bernstein Joel
ENT and Head and Neck Surgery 60 years experience
Very rare: In 45 years of practice, I have never seen chronic sinusitis produce scleritis. I am presuming this is a disease of the eye. It is certainly true that acute ethmoid sinusitis in children can produce life threatening infection of the orbit, so called peri-orbital or orbital cellulitis. Let us know what you mean more specifically by "scleritis."
TX
A 30-year-old female asked:

Can tmj cause sinusitis like symptoms?

3 doctor answers8 doctors weighed in
Dr. Scott Methven
Dentistry 20 years experience
Yes: TMJ is painful and the upper teeth are just below the sinus. If you have severe TMJ we often get complaints about their upper teeth and sinus areas bothering them. The ligaments around the upper teeth can become swollen and cause the teeth and sinus to ache. A night guard and ibuprofen should help to resolve the discomfort. You should see your doctor to evaluate your TMJ. Best of luck!
Moldova
A 30-year-old female asked:

Can sinusitis cause tachycardia?

2 doctor answers2 doctors weighed in
Dr. Katharine Cox
Pediatric Emergency Medicine 45 years experience
Yes, it you are sick: Bad sinusitis can cause fever, facial pain and fever. Imaging may show other changes that would cause fever such as abscess. So yes

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Last updated Mar 20, 2021
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