Mirabegron is a beta-3 adrenergic agonist used to treat overactive bladder. It works by relaxing the bladder muscle during the storage phase, increasing bladder capacity.

Tolterodine is a competitive muscarinic receptor antagonist used to treat overactive bladder with symptoms of urinary frequency, urgency, or urge incontinence.

Oxybutynin is an anticholinergic medication used to relieve urinary and bladder difficulties, including frequent urination and inability to control urination (incontinence), by decreasing muscle spasms of the bladder.