Metoprolol extended-release tablets can be broken to take. Clinically, metoprolol extended-release tablets belong to the beta receptor antagonist, after taking it can inhibit central and peripheral RAAS, inhibit myocardial contractility and slow down the heart rate, so as to play the role of lowering blood pressure. It is mainly used for the treatment of different degrees of hypertension, combined with angina pectoris, but the efficacy of the elderly hypertension is poor. Usually the drug can be taken orally once a day as prescribed by the doctor, preferably in the morning after waking up, and can be broken to take, but can not be bitten or chewed, it is recommended to take with warm water. Dizziness, headache, abdominal pain, nausea, vomiting and other symptoms may occur after taking. At the same time for cardiogenic shock, sick sinus node syndrome is prohibited. After taking the drug it is necessary to note that it is not recommended to drive a car and operate machinery, as the drug can possibly cause dizziness and fatigue, which can lead to a lack of concentration of the memory prone to accidents. And pregnant and breastfeeding women need to use the drug under the supervision of a doctor. If you need to take Metoprolol Extended-Release Tablets for treatment due to a medical condition, it is recommended to follow your doctor’s instructions.