Taking Tolterodine for more frequent urination may be due to the fact that the drug is not effective for the patient. The drug is indicated for the treatment of symptoms of urinary frequency, urgency or urge incontinence caused by overstimulation of the bladder. In the vast majority of cases, it does not cause an increase in the frequency of urination and other symptoms, and if there is an increase, in the vast majority of cases, it is not related to side effects, which may be due to the fact that the drug is ineffective for the patient, and it is necessary to change the drug. Adverse effects of the drug are mild and moderate anticholinergic effects, such as dry mouth, dyspepsia and decreased tears. It is contraindicated in people with urinary retention, gastric stagnation, and uncontrolled narrow-angle glaucoma. Patients are advised to seek prompt medical attention, explain the situation to the doctor, assess the condition under the doctor’s supervision, stop taking the drug or use it in conjunction with as well as replace it with a new one.