question: I have a soreness in my back and chest on the left side only. I saw the doctor and had an EKG and a check x-ray which were both negative. He prescribed an antibiotic which I took for 5 days the back pain has went away but I have a tightness in my chest. He believe I have a virus that has settled in my muscle. It is not related to my breathing. It seems to be a muscle spasms that happens when I am not active. What should I do to heal?