Likely: Either muscular in origin or possibly costochondritis ( inflammation where the rib attaches to the breast bone). Do u sleep w/ur arms out to the side and hands over head? If so, favor muscular.
Answered 4/3/2014
4.3k views
2 doctors weighed in across 2 answers
A doctor has provided 1 answer
5 doctors weighed in across 3 answers
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question