... urinary incontinence Appearance:white powder Name:SolifenacinGeneral introduction:Solifenacin is a urinary antispasmodic of the anticholinergic class ... with or without urge incontinence.Mechanism of action:Solifenacin is a competitive muscarinic acetylcholine receptor antagonist. ... the binding of acetylcholine to these receptors, solifenacin reduces smooth muscle tone in the bladder, allowing ...