I am experiencing chest pain or discomfort (quality: feels sharp or stabbing, sensation of pressure or heaviness) (better by: nsaids (ibuprofen, naproxen, etc.)) (time frame: gradual) (side: left) (worsened by: applying pressure on the chest) (severity:

Time to see doctor. Chest pain is a sign that she should talk with her doctor; or go to an ER if pain is moderate or worse. In young adults, chest pain is less likely a heart attack. She should not drive (get a ride, or go by ambulance). Even if it turns out not to be costochondritis, myocarditis, anxiety attack symptoms, or heart attack, the ER will also have checked for problems like a collapsed lung or pneumonia.