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1. the act of blocking or clogging.
2. the state or condition of being clogged; see also atresia. Called also blockade, closure, and occlusion.
chronic airflow obstruction (chronic airway obstruction) name given to a group of disorders in which the upper or lower airways are chronically obstructed; it includes chronic bronchitis, asthma, emphysema, pneumoconiosis, and any other type of chronic obstructive pulmonary disease.
intestinal obstruction see intestinal obstruction.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.


Blockage, clogging, or impeded flow, for example, by occlusion or stenosis.
[L. obstructio]
Farlex Partner Medical Dictionary © Farlex 2012


A blocking or clogging of a tube or vessel. See Ball-valve obstruction, Biliary obstruction, Bladder outlet obstruction, Bowel obstruction, Bypass obstruction, Nasal obstruction, UPJ obstruction.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.


Blockage or clogging, e.g., by occlusion or stenosis.
[L. obstructio]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012


A blockage that prevents movement.
Gale Encyclopedia of Medicine. Copyright 2008 The Gale Group, Inc. All rights reserved.


Blockage, clogging, or impeded flow.
[L. obstructio]
Medical Dictionary for the Dental Professions © Farlex 2012

Patient discussion about obstruction

Q. I recently had my surgery for bowel obstruction? I recently had my surgery for bowel obstruction? None of the diet was restricted for me by doctor but should I go for any special diet.

A. I had surgery in 08/08 during having a c-section and hernia repair, and I'm having diarrhea all the time. I don't know what to eat nor what medicines to take. Only Immodium AD helps temporary. If I have an appointment, I don't eat breakfast or lunch. I come home and eat dinner. About 30 minutes after eating, I'm in the bathroom. Can someone help me please? I have to return back to work next month, and I don't want to be in the bathroom more than I am at my desk.

Q. (COPD)chronic obstructive pulmonary disease the main causes of?

A. Mainly smoking, although ambient air pollution and industrial exposure to dust have also been implicated as causes.

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More discussions about obstruction
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References in periodicals archive ?
As of Tuesday morning, secondary and barangay roads were 90 percent cleared of illegal obstructions. In North Caloocan, which has a big land area, public roads have been reclaimed 100 percent, he added.
He believes that the 60 days is enough for Metro mayors to rid their cities of obstructions.
The city mayor believes that 60 days are enough for them to clear the other cities of obstructions.
They cited other acts outlined in Mueller's report, like Trump's efforts to limit the scope of the special counsel's investigation, as being substantial enough to support an obstruction charge.
We studied patients operated from August 2017 to November 2018 for intestinal obstruction after previous stoma surgery in department of General Surgery, SMIMER Hospital, Surat.
Although much less common than small-bowel obstruction, large-bowel obstruction can occur in the pediatric population and is an abdominal emergency.
Emergency abdominal CT scan found that the sites of obstruction were hepatic flexure ( n = 5) and splenic flexure ( n = 11) and were shown obstruction in all patients (100%).
Conclusion: Adenoid hypertrophy is prevalent in adults and is an important cause of nasal obstruction.
Tests that show obstruction include; barium enema, abdominal CT Scan, upper GI and small bowel series and abdominal films.
'Therefore, it is in the interest and prestige of the institution of the Army that obstructions are removed immediately, not later than one week i.e.
geographic regions surveyed patients with symptoms of nasal obstruction and/or sinonasal complaints.
Conclusion: CT scan was found to have a high sensitivity, fairly good specificity and accuracy in revealing small bowel obstruction. However, the scan is known to have its limitations in sub-acute intestinal obstruction and primary peritonitis.