Chronic sinusitis is a long-term inflammation of the sinuses. The sinuses are moist air spaces behind the bones of the upper face - between the eyes and behind the forehead, nose and cheeks. Normally, the sinuses drain through small openings into the inside of the nose. Anything that obstructs that flow can cause a buildup of mucus, and sometimes pus, in the sinuses. Drainage from the sinuses can be obstructed by structural abnormalities of the nose, infection, or tissue swelling...
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DecongestantsDecongestants are drugs that help reduce nasal congestion. They are available in both pill and nasal spray forms. However, decongestants... Read more »
Source: ADAM Encyclopedia
Acute sinusitis; Sinus infection; Sinusitis - acute; Sinusitis - chronic; Rhinosinusitis PreventionThe best way to prevent sinusitis is to avoid or... Read more »
Source: ADAM Encyclopedia
Sinusitis is one of the most common diseases in the United States, affecting about 1 in 7 adults each year. About 31 million Americans are diagnosed... Read more »
Source: ADAM Encyclopedia
CausesBacteria are the most common direct cause of acute sinusitis. (Other organisms might be the infecting cause in less common cases.) The ability... Read more »
Source: ADAM Encyclopedia
Symptoms Suggesting a Bacterial InfectionSinus symptoms are very common during a cold or the flu, but in most cases they are due to the effects of... Read more »