Betaxolol is metoprolol tartrate or succinate and is indicated primarily for the treatment of hypertension, angina pectoris, and symptomatically stable chronic heart failure with abnormal left ventricular systolic function. After overdose, the most significant symptoms that patients present with are cardiovascular symptoms, especially in children and young patients, possibly with central nervous system symptoms and respiratory depression as the main manifestations. The main clinical symptoms of toxicity include bradycardia, first- to third-degree AV block, cardiac arrest, decreased blood pressure, poor perfusion of the peripheral circulation, cardiac insufficiency, cardiogenic shock, respiratory depression, and asphyxia. Other symptoms include fatigue, confusion, loss of consciousness, frequent fine tremor, spasms, sweating, abnormal sensation, bronchospasm, nausea, vomiting, possible esophageal spasm, hypoglycemia, hyperglycemia, hyperglycemia, hyperkalemia, hyperkalemia, and transient muscle weakness. Therefore, it is important to observe the medication and not to overdose it, and to follow the doctor’s instructions.