Have Medical Questions? Ask a Doctor Online!
This is Dr. David
you should see a doctor and get this area examined.
you might need a chest xray or a chest CT scan to check for issues in the area
you could be having bad costochondritis inflammation of cartiage or ribs in the area
you could have a hairline fracture in your sternum from prior trauma
you could have something abnormal going on behind your sternum in your anterior mediastinum.
do you have a doctor you can see who can do some tests and examine the area ?
do you have health insurance to be able to see a doctor?