Oxybutynin Chloride is an antispasmodic and anticholinergic agent used to treat symptoms of overactive bladder, such as frequent or urgent urination, incontinence (urine leakage), and increased night-time urination.  It is used to relieve urinary and bladder difficulties, including frequent urination and inability to control urination (urge incontinence), by decreasing muscle spasms of the bladder. It is also given to help with symptoms associated with kidney stones.   

Drug class:  Bladder selective muscarinic antagonist.