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Nasal polyps are sac-like growths of inflamed tissue lining the nose (nasal mucosa) or sinuses.
See also: Sinusitis
Nasal polyps typically start near the ethmoid sinuses (located at the top of the inside of the nose) and grow into the open areas. Large polyps can block the sinuses or nasal airway.
People with the following conditions are more likely to also have nasal polyps:
People with nasal polyps often complain about having a cold that has lasted for months or years.
Headaches or pain are NOT common unless there is also a sinus infection.
An examination of the nose shows a grayish grape-like growth in the nasal cavity.
A CT scan of the sinuses will show polyps as cloudy (opaque) spots. Polyps that have been there for a long time may have broken down some of the bone inside the sinuses.
Medications help relieve symptoms but rarely get rid of nasal polyps.
Some people may need surgery, such as functional endoscopic sinus surgery (FESS).
Removing the polyps with surgery usually makes it easier to breathe through the nose. Over time, however, nasal polyps often return. Reduced or lost sense of smell does not always improve following treatment with medicines or surgery.
Nasal polyps may come back.
Call for an appointment with your health care provider if you regularly have difficulty breathing through your nose.
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 helpful.
Mannin SC. Medical management of nasosinus infectious and inflammatory disease. In: Flint PW, Haughey BH, Lund LJ, et al, eds. Cummings Otolaryngology: Head & Neck Surgery. 5th ed. Philadelphia, Pa: Mosby Elsevier; 2010:chap 50.
Haddad J Jr. Nasal polyps. In: Kliegman RM, Behrman RE, Jenson HB, Stanton BF, eds. Nelson Textbook of Pediatrics. 19th ed. Philadelphia, Pa: Saunders Elsevier; 2011:chap 370.
Bachert C, Gevaert P, van Cauwenberge P. Nasal polyps and rhinosinusitis. In: Adkinson NF Jr., Bochner BS, Busse WW, Holgate ST, Lemaske RF Jr., eds. Middleton's Allergy: Principles and Practice. 7th ed. Philadelphia, Pa: Mosby Elsevier; 2008:chap 56.