When chest tightness occurs after taking medication, you should first distinguish whether it is caused by the medication or by the disease itself. If chest tightness after taking medicine is caused by medicine, the medicine should be stopped immediately and other drugs should be used to treat the related symptoms; if chest tightness is caused by the disease itself, the cause should be identified promptly and treated actively. There are many possible causes of chest tightness, such as cardiovascular disease and lung disease, which can cause chest tightness. At this time, you should consult a regular hospital to improve relevant examinations, such as electrocardiogram, pulmonary function test, chest X-ray, cardiac ultrasound, etc., to clarify the cause and provide targeted treatment, pay attention to avoid straining, pay attention to rest, reduce staying up late and reduce activities. Timely examination to clarify the cause and condition, targeted treatment to avoid missing the best treatment period. In summary, if chest tightness caused by drugs should be immediately discontinued and treated with other drugs, if caused by other reasons, the causes should be identified and actively treated.