Lung lining/ muscles: This sounds like overnight something has affected your lung function, breathing pattern, or lung lining or chest --which inflamed can cause pain upon taking a deep breath--, or chest wall muscles. Perhaps, position while sleeping, viral illness, overusing your upper body muscles the day before (did you start or do excessive exercise the day before). If persists, like anything else, c the doc.
Answered 11/3/2016
5.8k views
Mostly musculoskelet: Most probably musculoskeletal pain. Nevertheless see your doc to find out.
Answered 3/26/2013
5.7k views
2 doctors weighed in across 2 answers
A doctor has provided 1 answer
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