I Am A Healthy 66 Yr Old Who Has Had

I am a healthy 66 yr old who has had a chest cough for a week. It has become less concern over the past few days as I am less congested. I have taken Mucinex bid for 5 days. I have had a
n intermittent discomfort upon inspiration radiating from the side of my neck radiating don into my left chest. no SOB. I have had this sensation since about 3Pm today.. It is relieved by one ibuprofen taken this afternoon and again tonight. At the moment I am comfortable. No chest pain.