EMSELEX, known generically as darifenacin, is a medication primarily used in the management of overactive bladder (OAB). It functions as a urinary antispasmodic. Specifically, EMSELEX is classified as a selective M3 muscarinic receptor antagonist, which means it works by blocking the action of acetylcholine, a neurotransmitter in the bladder. This action helps to relax the bladder muscles, thereby reducing urinary urgency, frequency, and incontinence episodes associated with overactive bladder. EMSELEX is available in an extended-release formulation, allowing for once-daily dosing. Like all medications, it may have side effects, and its use should be under the guidance of a healthcare professional to ensure it is appropriate for the individual's health condition.