Tightness and swelling in the left side of the chest every day Symptoms that get better after drinking alcohol may be due to poor circulation. It may be caused by excessive pressure, low blood pressure, or cardiac insufficiency. 1. Excessive pressure: In daily life, if the patient is under pressure and does not exercise for a long time, it may lead to vasoconstriction and spasm caused by left chest tightness and distension, and under the stimulation of alcohol, it will cause blood vessels to dilate, speed up blood circulation, relieve the symptoms of lack of oxygen, and improve the situation of tightness and distension of the left chest. 2. Low blood pressure: low blood pressure can also cause poor blood circulation, resulting in the lungs, heart and other organs cervical blood reduction occurs to cause the patient chest tightness. Patients can effectively improve blood circulation after drinking alcohol, thus relieving this symptom. 3. Cardiac insufficiency: cardiac insufficiency will lead to the weakening of the heart’s ability to diastole and contraction, resulting in poor blood circulation, the patient will experience chest tightness, shortness of breath, breathlessness and other symptoms, this symptom can be improved after drinking alcohol. The patient’s daily left chest tightness and swelling cannot be relieved by drinking alcohol.