Metaprolol Succinate Oral belongs to the class of Beta Blockers. This prescription medicine is used for the treatment and management of Cardiovascular Disorders (CVD). CVD mainly include hypertension, angina pectoris, and cardiac arrest. It also prevents conditions like stroke. The side effects of Metaprolol Succinate Oral include - Bradycardia i.e. very slow heart beats - Shortness of breath - Edema - Light headedness - Shortness of breath - Weight gain - Diarrhea - Fatigue - Confusion - Trouble sleeping - Trouble with memory Metaprolol Succinate Oral interacts with the following drugs. - Calcium Channel Blockers e.g. Amlodipine, Diltiazem - MonoAmine Oxidase Inhibitors (MAOIs) e.g. Phenelzine, Selegiline - Anti-Arrhythmic Drugs e.g. Digoxin, Quinidine - Alpha Blockers e.g. Clonidine, Prazosine