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albuterol and ipratropium inhaler, Combivent, Combivent Respimat

👤by AP 0 comments 🕔Tuesday, April 7th, 2015

DRUG CLASS AND MECHANISM: Albuterol/ipratropium is a combination product consisting of two bronchodilators, albuterol (Proventil; Ventolin) and ipratropium (Atrovent) that is used in the treatment of chronic obstructive pulmonary disease (bronchitis and emphysema) when there is evidence of spasm (narrowing) of the airways (bronchi). Bronchodilators dilate or enlarge the airways by relaxing the muscles surrounding the airways. Albuterol and ipratropium work by different mechanisms, but both cause the muscles of the airways to relax. Albuterol is a bronchodilator of the beta-2 agonist type. Beta-2 agonists are medications that stimulate beta-2 receptors on the smooth muscle cells that line the airways, causing these muscle cells to relax and thereby opening airways. Ipratropium blocks the effect of acetylcholine in airways and nasal passages. Acetylcholine is a chemical that nerves use to communicate with muscle cells. In chronic obstructive pulmonary disease (COPD), cholinergic nerves going to the lungs cause narrowing of airways by stimulating muscles surrounding airways to contract. The "anti-cholinergic" effect of ipratropium blocks the effect of cholinergic nerves, causing the muscles to relax and airways to dilate. The FDA approved albuterol/ipratropium in October 1996.

Medically Reviewed by a Doctor on 4/7/2015

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Pharmacy Author:

Omudhome Ogbru, PharmD

Omudhome Ogbru, PharmD

Dr. Ogbru received his Doctorate in Pharmacy from the University of the Pacific School of Pharmacy in 1995. He completed a Pharmacy Practice Residency at the University of Arizona/University Medical Center in 1996. He was a Professor of Pharmacy Practice and a Regional Clerkship Coordinator for the University of the Pacific School of Pharmacy from 1996-99.

Medical and Pharmacy Editor:

Jay W. Marks, MD

Jay W. Marks, MD

Jay W. Marks, MD, is a board-certified internist and gastroenterologist. He graduated from Yale University School of Medicine and trained in internal medicine and gastroenterology at UCLA/Cedars-Sinai Medical Center in Los Angeles.

Article Credits / Source

AP / MedicineNet.com

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