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Updated by Umbrella Health Care Systems on Oct 22, 2023
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Sinusitis: Symptoms, Diagnosis, Treatment

Sinusitis, also known as rhinosinusitis, is inflammation of the mucous membranes that line the sinuses resulting in symptoms that may include thick nasal mucus, a plugged nose, and facial pain. Other signs and symptoms may include fever, headaches, a poor sense of smell, sore throat, a feeling that phlegm is oozing out from the back of the nose to the throat along with a necessity to clear the throat frequently[3] and frequent attacks of cough.

Generally sinusitis starts off as a common viral infection like common cold.This infection generally subsides within 5 to 7 days. During this time the nasal structures can swell and facilitate the stagnation of fluids in sinuses that leads to acute sinusitis which lasts from 6th day of the infection to 15th day. From the 15th day to 45th day of the infection comes the subacute stage followed by chronic stage. Whenever a chronic stage patient's immunity takes a hit the infection moves to "acute on sinusitis" stage and moves back to chronic when the immunity is up.

Sinusitis occurs only in individuals with underlying conditions like allergies, or structural problems in the nose and in people with lesser immunity against bacteria by birth. Most cases are caused by a viral infection. Recurrent episodes are more likely in persons with asthma, cystic fibrosis, and poor immune function. In early stages an ENT doctor confirms sinusitis using nasal endoscopy. Diagnostic imaging is not usually needed in acute stage unless complications are suspected. In chronic cases, confirmatory testing is recommended by either direct visualization or computed tomography.
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1

Sinus Attack!

Sinus Attack!

Pain in the forehead or between the eyes? Upper teeth ache? Face feeling full, nose stuffy and congested? You may have a common complaint that sends many people to a doctor's office: sinus trouble.
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What Are Sinuses?

What Are Sinuses?

What Are Sinuses?

They’re air spaces in your skull lined with mucous membranes. Most people have four sets of nasal sinuses:

  • Two in the forehead above the eyes
  • One inside each cheekbone (dark triangles seen in this image)
  • A group of them, called the ethmoid sinuses, behind the bridge of the nose
  • Another group behind the nose and underneath the brain called the sphenoid sinuses Sinuses are like fingerprints: Everybody's are different. Some people have no frontal sinuses or just one. https://www.umbrellamd.com/e-visit
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Just a Cold … at First

Just a Cold … at First

Sinusitis usually starts with inflammation triggered by a cold, allergy attack, or irritant. But it may not end there. Colds, allergies, and irritants make sinus tissues swell.
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When It Won't Go Away

When It Won't Go Away

Inflammation of the sinuses that lasts for more than 3 months is chronic sinusitis. Bacteria can make their home in blocked sinuses, but they aren’t the only cause. Anatomy, allergies, polyps, immune system problems, and dental diseases may also be to blame.
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Nasal Polyps

Nasal Polyps

If your sinuses remain inflamed, sinus membranes can thicken and swell. The swelling may be enough to cause grape-like masses called polyps (shown here). They can jut out from the sinus into the nasal passage and block your nasal airway.
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Nasal Decongestants

Nasal Decongestants

These sprays open swollen nasal passages and allow your sinuses to drain. But you should use these drugs only for a few days. After that, there's a kickback effect, making your nasal passages swell shut again. Nasal steroid sprays, saline sprays or washes, or a bioelectric microcurrent device may be other options. If symptoms don’t stop, see your doctor.
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Treating Allergy-Related Sinusitis

Treating Allergy-Related Sinusitis

Have you tried irrigation with saline solution, either with a neti pot or squeeze bottle? Nasal steroid sprays might help, too, if your sinus symptoms are due to allergies. Antihistamines could also come in handy, especially if you’re sneezing and have a runny nose.
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Will You Need Sinus Surgery?

Will You Need Sinus Surgery?

An operation called FESS (functional endoscopic sinus surgery) can bring some relief, if nothing else works. But start with the simplest solution: Avoid things that irritate your sinuses, and then work with your doctor to see if medicines help. Surgery is the last resort.
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Rare Complications

Rare Complications

Only a layer of bone separates your sinuses from your brain. It’s not likely, but if a sinus infection passes through the bone, it can infect the lining of the brain or the brain itself. It’s also uncommon, but a sinus infection could spread into the eye socket, causing an infection that could cause blindness. Less severe complications include asthma attacks and loss of smell or taste, which are usually temporary.
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Can You Prevent Sinusitis?

Can You Prevent Sinusitis?

Unfortunately, no. But you can do these three things that help:

  • Keep your sinuses moist. Use saline sprays, nasal lubricant sprays, or nasal irrigation often.
  • Avoid very dry indoor environments.
  • Avoid exposure to irritants, such as cigarette smoke or strong chemical odors.