Sernitin is the trade name and its generic name is Tolterodine Tartrate Tablets. Tolterodine Tartrate Tablets is a cholinergic receptor blocker that acts on the bladder and can be used for symptoms such as urinary urgency, frequency, and urgency incontinence caused by overstimulation of the bladder. Adverse reactions such as dizziness, dry mouth, dry eyes, headache, vomiting, drowsiness, fatigue, palpitations (rapid heartbeat, often accompanied by panic), urinary incontinence, bronchitis, dyspepsia, sensory abnormalities, and impaired visualization may occur with the use of this medication. Combination of this drug with strong CYP3A4 inhibitors such as erythromycin, itraconazole, ketoconazole is not recommended. It is contraindicated in people with the following conditions: myasthenia gravis; gastric retention; urinary retention; severe ulcerative colitis; toxic megacolon; uncontrolled narrow-angle glaucoma. It is also contraindicated in children, pregnant and lactating women, and patients who are allergic to the drug. Use with caution in patients with the following conditions: diseases of gastrointestinal obstruction, such as pyloric stenosis; risk of reduced gastrointestinal activity; hiatal hernia of the esophagus; significant obstruction of the outlet of the bladder, with a risk of urinary retention; hepatic disorders; renal injury; autonomic neuropathy. If you need to use the medication, please take the medication under the guidance of a doctor in strict compliance with the doctor’s instructions, do not use the medication arbitrarily on your own.