Tolterodine used in overactive bladder acts by blocking which of the following receptors?: (A) M1, (B) M2, (C) M3, (D) M4
Answer is C. Selective M3 antagonists acting on GIT and bladder Selective M3 antagonists acting only on bladder (vesicoselective) Derifenacin Oxybutynin Solifenacin Flavoxate Tolterodine Trospium chloride