I can't take a full breath It feels tight behind my breast bone slight ache chest X-ray clear never had asthma? Had for 2 months was 1st sore throet

Possible reflux. You may want to talk to your physician about possible gastroesophageal reflux disease. GERD caused by increased gastric acid into the esophagus. The initial sore throat may have been your first symptoms which has now progressed to the pain you feel. Follow up with your doctor and discuss this as a possible explanation of your symptoms.

Related Questions

I had an EKG and chest x ray 2 days ago, both were normal. I still have chest discomfort and my chest feels bruised/sore (breast bone). Blood clot?

Probably not. Especially at your age. Could be an inflammatory condition called costochondritis. See your doc to be sure and look for other causes. Probably nothing serious. But, see your doc. Good luck. Read more...