Examples include oxybutynin (Ditropan XL), tolterodine (Detrol), darifenacin (Enablex), fesoterodine (Toviaz), solifenacin (Vesicare) and trospium chloride. Mirabegron (Myrbetriq). Used to treat urge incontinence, this medication relaxes the bladder muscle and can increase the amount of urine your bladder can hold.