 [ Symptoms ] i came down with acute viral myocarditis doctors say its due to anxiety need 2nd opinion [ Disease ] there are many causes of myocarditis including viral infections autoimmune diseases environmental toxins and adverse reactions to medications so the myocarfitis itself is not caused by anxiety but the other symptoms may strongly relate to increased anxiety and stress…the done tests are good to rule out any cardiac disease it is advised to start a mild to moderate form of brisk walking exercises yoga deep breathing exercises meditation avoid caffeine