What is the best treatment for myocarditis?

Written by Zhou Yan
Geriatrics
Updated on May 28, 2025
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Myocarditis currently has no specific treatment and mainly focuses on supportive treatment for left ventricular dysfunction. Patients should avoid exertion and rest appropriately. In cases of heart failure, diuretics, vasodilators, and other drugs such as H1 may be used as needed. If rapid arrhythmias occur, antiarrhythmic drugs should be administered. For high-degree atrioventricular block or sinoatrial node dysfunction that causes syncope or significant hypotension, the use of a temporary pacemaker may be considered. Moreover, clinically, drugs that promote myocardial metabolism, such as adenosine triphosphate, coenzyme A, adenylic acid, etc., should be used. Treatment should also target the underlying causes of myocarditis.

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Written by Zhou Yan
Geriatrics
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Causes of Myocarditis

Myocarditis is also an inflammatory disease of the myocardium. Common causes are viral infections, such as Coxsackievirus B, Parvovirus B19, Human Herpesvirus 6, and Poliovirus, with Coxsackievirus B being the most common cause, accounting for about 30%-50%. Bacteria, fungi, spirochetes, rickettsiae, and protozoa can also cause myocarditis, but they are relatively rare. Non-infectious causes of myocarditis include drugs, radiation, connective tissue diseases, vasculitis, giant cell myocarditis, among others. These are all causes of myocarditis.

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Written by Xiao Chang Jiang
Cardiology
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Is myocarditis serious?

Is myocarditis serious? In fact, myocarditis is an inflammatory disease of the myocardium. Patients with myocarditis may experience symptoms such as fatigue, palpitations, shortness of breath, discomfort or pain in the precordial area, nausea, vomiting, abdominal pain, diarrhea, etc. During examinations, we often see slight enlargement of the heart, arrhythmias, gallop rhythm, and other manifestations of heart dysfunction. In severe cases, myocarditis can lead to fulminant myocarditis, such as severe heart failure or cardiogenic shock, often accompanied by arrhythmias. Even with timely and standard treatment, death may occur due to the severity of the condition. Even if patients with myocarditis recover, they may still have some sequelae on the electrocardiogram, such as atrioventricular block, bundle branch block, premature beats, or junctional rhythm.

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Written by Xiao Chang Jiang
Cardiology
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Early manifestations of myocarditis

What are the early symptoms of myocarditis? In fact, most patients with myocarditis typically exhibit acute onset of symptoms, which generally occur 1 to 3 weeks after cardiac involvement, or they may simultaneously exhibit various degrees of viral infection symptoms such as fever, sore throat, cough, general malaise, muscle pain, skin rash, or nausea and vomiting, abdominal pain, and diarrhea. These are its prodromal symptoms. Additionally, some patients exhibit systemic viral infection symptoms when the disease occurs, such as rubella, measles, epidemic mumps, viral hepatitis, and other diseases. Since the recovery rate of myocarditis in the acute and recovery phases is significantly higher than in the lingering or chronic phases, it is evident that treatment for myocarditis should be initiated as early as possible to increase the recovery rate.

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Written by Zhou Yan
Geriatrics
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Is myocarditis nauseating?

For patients with myocarditis, they may experience palpitations, chest tightness, difficulty breathing, various arrhythmias, and edema, and even fainting or sudden death. If the diagnosis of myocarditis includes these conditions, one to three weeks prior to the onset, the patient might have symptoms of viral infections, such as nausea, vomiting, and other gastrointestinal symptoms, or may have fever, general fatigue, muscle soreness, and other discomforts. However, not all cases of myocarditis will have symptoms of nausea, and nausea is not necessarily indicative of myocarditis, therefore there is no inevitable link between the two.

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Written by Zhou Yan
Geriatrics
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Can people with myocarditis drink alcohol?

Myocarditis is an inflammatory disease of the myocardium. Its pathogenesis is due to direct damage to the myocardium caused by viruses, and the interaction of the virus with the body's immune response to both myocardial injury and microvascular damage, which impairs the structure and function of the myocardial tissue. Drinking alcohol affects the myocardium and can also cause damage to it. Therefore, alcohol should not be consumed with myocarditis, as drinking can further aggravate the myocardium, leading to heart failure.