Acid reflux, anxiety and illnesses such as pneumonia and bronchitis are some factors that can cause chest tightness, states Healthline. It is important for individuals experiencing chest tightness or pain to seek medical attention to ensure an accurate diagnosis and prompt treatment.
Chest tightness can also indicate a heart attack, according to MedlinePlus. Additional symptoms of a heart attack include severe pain that may travel to the arms, shoulders and jaw. Individuals should call 911 immediately if chest tightness is accompanied by nausea, sweating or shortness of breath. Doctors treat heart attacks with medications to dissolve blood clots and angioplasty surgical procedures to improve blood circulation to the heart.