TOVIAZ, also known by its generic name fesoterodine fumarate, is a prescription medication used to treat symptoms of overactive bladder, such as frequent or urgent urination and urinary incontinence. It belongs to a class of drugs known as antimuscarinics or anticholinergics, which work by relaxing the bladder muscles to prevent urgent, frequent, or uncontrolled urination. TOVIAZ is available in an extended-release tablet form, ensuring a steady release of the medication over time for prolonged effect. It is important for patients to follow their healthcare provider's instructions regarding dosage and use, as well as to discuss any potential side effects or interactions with other medications.