After taking medication, blood pressure is normal, heart rate is normal, sometimes still feel uncomfortable and stuffy heart, the reason may be heart disease such as heart failure, coronary heart disease. 1. Heart failure: short for heart failure. Due to various reasons, the heart ejection function is weakened, and the volume of blood discharged from the heart cannot meet the needs of the body. In this case, there may be a feeling of cardiac discomfort. At this time, it is necessary to pay attention to rest, avoid heavy physical activities, and give furosemide and other diuretic, hairy flower glycosides to strengthen the heart treatment, and so on. 2. Coronary heart disease: Coronary atherosclerotic heart disease is referred to as coronary heart disease. Coronary arteries are the blood vessels that provide blood supply to the heart, and once the blood vessels harden, the blood supply to the heart will be significantly reduced, resulting in myocardial infarction and other conditions that make the heart feel uncomfortable. It is important to consult a hospital when you have heart problems to avoid delaying your condition.