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Also known as: Ipratropium bromide

Brand names: ATROVENT BERODUAL (in combination) BERODUALIN (in combination) COMBIVENT (in combination) DUOVENT (in combination) IPRAVENT IPROVENT OTRIVIN ADVANCE (in combination) OTRIVIN DUO (in combination)


Ipratropium is a quaternary ammonium compound with anticholinergic (parasympatholytic) properties. Ipratropium appears to inhibit vagally mediated reflexes by antagonising the action of acetylcholine, the transmitter agent released from the vagus nerve. Anticholinergics prevent the increase in intracellular concentration of Ca++, which is caused by interaction of acetylcholine with the muscarinic receptor on bronchial smooth muscle. Ca++ release is mediated by the second messenger system consisting of IP3 (inositol triphosphate) and DAG (diacylglycerol).

ATC Classification

Ipratropium bromide
R Respiratory system → R01 Nasal preparations → R01A Decongestants and other nasal preparations for topical use → R01AX Other nasal preparations
Ipratropium bromide
R Respiratory system → R03 Drugs for obstructive airway diseases → R03B Other drugs for obstructive airway diseases, inhalants → R03BB Anticholinergics

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