OXYSPAS 2.5MG contains Oxybutynin, which belongs to the anticholinergic and antispasmodic drug classes. It works by relaxing the bladder muscles and preventing sudden muscle contractions (spasms). This aids in water release control (urine). It is used to treat frequent and severe urinary urgency or loss of bladder control (urge incontinence).Disclaimer:For More Information Contact Your Physician