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Prevention of heart murmurs is related to the cause. Treatment of high blood pressure can prevent the congestive heart failure. Treatment of strep throat infection can prevent rheumatic fever. Many of the conditions that cause heart murmurs cannot be prevented. Many murmurs do not cause any harm and go away on their own. Hence, prevention is not much a concern.

There is no way to prevent the congenital heart defects that cause some heart murmurs.If you are at high risk of endocarditis, your doctor or dentist will prescribe special antibiotics before doing any medical or dental procedure during which bacteria could enter your blood and infect your heart. You also can help to prevent endocarditis by avoiding intravenous drug use.

You can prevent many heart-valve abnormalities by preventing rheumatic fever. To do this, take antibiotics exactly as prescribed whenever you have strep throat.

People who already have had one episode of rheumatic fever may need to take antibiotics for up to 10 years after the first attack to prevent the disease from returning.

While there’s not much you can do to prevent a heart murmur, it is reassuring to know that heart murmurs are not a disease and are often harmless. For children, many murmurs go away on their own as they grow. For adults, murmurs may disappear as the underlying condition causing them improves.

If your heart murmur is cause for concern, the condition causing the murmur is often treatable. Your doctor or cardiologist can help you decide the best treatment