Acute myocarditis taking nitroglycerin may have no effect. Acute myocarditis onset, myocardial tissue will be damaged extensively, there may be congestion and edema and other pathological changes, taking nitroglycerin can dilate the coronary artery blood vessels, but for the treatment of acute myocarditis has no obvious effect. After the occurrence of acute myocarditis, you can follow the doctor’s instructions to use nutritional cardiac drugs, the serious condition of the need to apply prednisone or dexamethasone and other hormonal drugs to inhibit the local inflammatory response, and if necessary, you also need to use penicillin, moxifloxacin, and other antibiotics, so as to make the condition can be relieved. Nitroglycerin is not significant for the treatment of acute myocarditis, and in the treatment of acute myocarditis, in addition to medication, but also pay attention to appropriate bed rest and strengthen nutrition, appropriate consumption of apples, cherries, bananas and other fruits, for the improvement of the disease will have a great help.