Sinusitis - What Happens
There are two types of sinusitis: acute (sudden onset) and chronic (long-term). Sinusitis often develops after a cold or viral infection. Most sinus infections improve on their own, but sometimes they develop into a bacterial infection-swelling, inflammation, and mucus production caused by the cold can lead to blockage in the nasal passages, which may encourage the growth of bacteria.
Acute sinusitis, whether viral or bacterial, may develop into chronic inflammation or infections that may last 8 weeks or longer. Chronic sinusitis can lead to permanent changes in the mucous membranes that line the sinuses. As a result of these changes, you may become prone to having more sinus infections that may become more difficult to treat.
Allergy Tips: Your Outdoor Exercise Checklist
If you have allergies, you might feel like outdoor exercise detracts from your health more than it adds. Exercise is supposed to make you feel good. But if a quick jog or a bike ride leaves you wheezing, sneezing, and feeling miserable for hours afterwards, how healthy can it be? But all of us -- allergic or not -- need to exercise regularly for our overall health. And the good news is that you can, even if you're exposed to outdoor allergens. "People with allergies and asthma should be able to...
Read the Allergy Tips: Your Outdoor Exercise Checklist article > >
Complications of sinusitis (such as an infection of the facial bones called osteomyelitis) are relatively rare. But when complications occur, they may be life-threatening and often require extensive medical or surgical treatment.
WebMD Medical Reference from Healthwise
Sinusitis Topics
Today in Allergies
WebMD Special Sections
Health Solutions From Our Sponsors
©2005-2012 WebMD, LLC. All rights reserved.
WebMD does not provide medical advice, diagnosis or treatment. See additional information.