Sinusitis (or sinus infection) is a common illness that is characterized by inflammation of the sinuses. Sinuses are tiny, air-filled spaces behind your forehead and cheekbones. Sinusitis is normally caused by a virus infection, and it often clears within a couple of weeks. Your sinuses produce mucus which usually drains into the nasal passage via small channels. When you have sinusitis, the channels are congested (or blocked) due to swelling (inflammation) of the lining of the sinuses.
Sinusitis may be linked to viral and bacterial infections. In other cases, it may be caused by non-infectious inflammation, for instance, due to allergies. Acute sinusitis lasts for about four weeks, while chronic sinusitis may last from eight to twelve weeks.
If you have asthma, allergies, and cystic fibrosis, you have a high likelihood of suffering from sinusitis. You are also likely to get it if your nose had been broken previously or if you have a malformed septum (the wall that divides the nostrils). People with compromised immunity or those with diabetes are also more susceptible to sinusitis complications.
Common symptoms of sinusitis include nasal congestion(or obstruction), facial discomfort, production of a colored discharge through the nose, diminished sense of taste or smell, headache, bad breath, toothache, fatigue, and fever.
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