Nasal spray oil are also available. There is however no trial-verified evidence that they have a measurable effect on symptoms. Decongestant nasal sprays are available over-the-counter in many countries. They work to very quickly open up nasal passages by constricting blood vessels in the lining of the nose. Prolonged use of these types of sprays can damage the delicate mucous membranes in the nose. This causes increased inflammation, an effect known as rhinitis medicamentosa or the rebound effect. Decongestant nasal sprays are advised for short-term use only, preferably 5 to 7 days at maximum. Some doctors advise to use them 3 days
Nasal polyp surface of the nasal polyp is covered by normal respiratory epithelium, but later it undergoes metaplastic change to squamous type epithelium with the constant irritation and inflammation. The submucosa shows large intercellular spaces filled with serous fluid. Other disorders can mimic the appearance of nasal polyps and should be considered if a mass is seen on exam. Examples include encephalocele, glioma, inverted papilloma, and cancer. Early biopsy is recommended for unilateral nasal polyps to rule out more serious conditions such as cancer, inverted papilloma, or fungal sinusitis. The first line of treatment for nasal polyps is topical steroids. Steroids decrease