Generic Name: SOLIFENACIN - ORAL Pronounced: (soul-lee-fen-A-sin) Solifenacin Oral Uses: This medication is used to treat an overactive bladder. By relaxing the muscles in the bladder, solifenacin improves your ability to control your urination. It helps to reduce leaking of urine, feelings of needing to urinate right away, and frequent trips to the bathroom. This medication belongs to the class of drugs known as antispasmodics. Vesicare may also be used for purposes other than those listed in this medication guide. Please consult your personal physician before you start taking any type of medication.