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Although there is no real way to prevent nasal polyps, therapy aimed at the cause can help. Nasal sprays, antihistamines, and allergy shots may help prevent polyps that block the airway. Also, aggressive medical treatment of sinus infections is he...
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A polyp is any overgrowth of tissue from a surface. Polyps come in all shapes-round, droplet, and irregular being the most common.
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