Tolterodine is a competitive muscarinic receptor antagonist. Tolterodine used to treat an overactive bladder. Tolterodine works by relaxing muscles of the urinary bladder and prevents frequent, urgent or uncontrolled urination. Tolterodine decreases levels of benperidol by inhibition of GI absorption. Tolterodine Degradation impurity, Tolterodine Process impurity, Tolterodine Potential impurity, Tolterodine USP Related Compound, Tolterodine N-Nitroso impurity, Tolterodine nitrosamine impurity etc. are listed below