question: I have tenderness on the left pectoral muscle. It starts right at the top of my left breast . In the same spot on my right side the pain is minimal barely noticeable but to my left its tender and painful to the touch. I ve been using Algesal Diethylamine Salicylate 10%w/w for the last couple of days to massage it. I am on Lercanidipine hydrochloride 20mg daily. Kindly advise please