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What causes Sinusitis

A good understanding of sinusitis begins with a short lesson on the sinuses. Basically, healthy sinuses are bony, air-filled chambers that form an irregular honeycomb structure between paper-thin bones in your head. If we had pure bone, instead of air-filled cavities, our necks could not support the weight of our heads.

Sinuses are lined with mucus membranes that drain into the nasal cavity. You have at least four pairs of sinuses around your nose - the maxillary sinuses (on either side of your nose), the ethmoid sinuses (behind and in between your eyes), the frontal sinuses (in your forehead) and the sphenoid sinuses (farther back in your head). The sinuses are filled with tiny hair-like projections called cilia that move mucus toward the ostium - a miniscule opening that provides critical drainage for the sinuses.

When your sinuses are working properly, they constantly circulate air, producing and draining mucus (up to two quarts per day), which lubricates your nose, keeping it free of dust and bacteria. But this drainage system can shut down due to any of several underlying problems ranging from colds; upper respiratory, bacterial or fungal infections; allergies; pollution; cigarette smoke; or anatomic abnormalities.

Sinusitis is most commonly triggered by such disorders as allergic rhinitis, commonly known as hay fever, or viral respiratory infections. A deviated nasal septum or other obstruction of the nose also may trap fluid in the sinus. You even can develop sinusitis when you immerse your head in water and bacteria enter your sinus, causing irritation and infection. If, for any of these reasons, the sinus passages become blocked, the nasal cavity fills with fluid, infection and inflammation set in and the sinuses fail to drain properly. This is when you experience the full array of unpleasant symptoms associated with sinusitis - facial pressure and pain, headache, fever, even tooth pain, as well as a runny nose, coughing and nasal congestion.

When it comes to sinusitis, like many other ailments, an ounce of prevention is worth a pound of cure. Sinus problems may be either acute or chronic. Acute sinusitis is a common problem and is often associated with a viral or bacterial upper respiratory infection that spreads to the sinuses. When the mucus membranes that line the sinuses (turbinates) are exposed to viruses, bacteria, pollen, smoke or other irritants, they swell up and the sinuses shut down.

Symptoms associated with acute sinusitis are headache, fever, facial pressure and thick, yellowish green nasal discharge. When you have frequent sinusitis or the infection lasts three months or more, the condition may become chronic. "A sinus infection that lasts less than four to six weeks can be categorized as acute sinusitis. Any infection that lasts more than 12 weeks is chronic, " according to Stolovitzky

Much less common than acute sinusitis, chronic sinusitis is a persistent sinus problem that usually is caused by longstanding allergies, anatomical obstructions like polyps or a deviated septum or exposure to irritants such as smoke and chemical fumes. The result is ongoing inflammation of the lining of the nasal and sinus cavities. Cilia can become permanently damaged, making it more difficult for mucus to drain from the sinuses. The symptoms of chronic sinusitis are generally mild and less painful than those associated with acute sinusitis. Headache and sinus pain is less severe, and because there usually is no upper-respiratory infection, fever and fatigue are uncommon. However, nasal congestion with some pressure and annoying postnasal drip are symptoms of chronic sinusitis. If you suffer from constant (chronic) or recurring sinus problems, your sinuses may have developed blockages that prevent them from draining or circulating air properly.

Sinuphend can help to relieve all the symptoms associated with acute or chronic sinusitis.