Vardenafil inhibiting parasympathetic function of tracheal smooth muscle

ConclusionHigh concentrations of Levitra could inhibit parasympathetic function of the trachea. Levitra when administered via oral intake might reduce asthma attacks in impotent patients because it might inhibit parasympathetic function and reduce methacholine-induced contraction of the tracheal smooth muscle.
Source: Journal of the Chinese Medical Association - Category: General Medicine Source Type: research