ipratropium bromide

noun

ip·​ra·​tro·​pi·​um bromide ˌip-rə-ˌtrō-pē-əm- 

: an anticholinergic drug C₂₀H₃₀BrNO₃·H₂O that is used as an inhalational aerosol for bronchodilation especially in the treatment of chronic obstructive pulmonary disease and as a nasal spray in the treatment of runny nose associated with rhinitis

Note: Ipratropium bromide is marketed under the trademark Atrovent and when used in combination with albuterol under the trademark Combivent.