Hello
You may be coming down with a virus in your lungs. You may have pulled a muscle in your chest. Have you injured yourself recently? It's possible you have a cracked or bruised rib?
Hope this helps,
Kerry
Nurse (RN)
35 years in Nursing: OB/GYN, Peds, Oncology, hospice, Ortho, Neuro, Addiction, Recovery, Geriatrics,