Miracors-50 ER Tablet is a medication used to treat overactive bladder symptoms, including increased urination and inability to control urination. It relaxes bladder muscles and increases urine storage. It is prescribed for specific doses and durations, and should be taken with or without food. Common side effects include constipation, headache, high blood pressure, nasal inflammation, urinary tract infection, rapid heartbeat, and joint pain. Patients with liver or kidney disease should consult a doctor before treatment.