There is no authoritative data on how long Tolterodine Tartrate Tablets take to have effect, usually need to take 2~3 months to evaluate the effect. Tolterodine tartrate tablets are used to treat urinary discomfort caused by overstimulation of the bladder, such as overstimulation of the bladder caused by frequent urination, urinary urgency or urinary incontinence can be applied to the treatment of this drug. The blood concentration of the drug reaches its peak in about 1 to 3 hours after taking the drug in the prescribed dosage and under the supervision of a doctor, and the drug is mainly metabolized in the liver. Taking Tolterodine tartrate can cause bronchitis, allergic reactions, headache, drowsiness and other adverse reactions; it is contraindicated in patients with known hypersensitivity to Tolterodine or excipients, urinary retention, gastric retention, uncontrolled narrow-angle glaucoma, myasthenia gravis, severe ulcerative colitis, toxic megacolon. It is necessary to adhere to the medication under the guidance of a doctor, because the symptoms are reduced or disappeared and then stop the drug, may lead to the previous medication in vain.