Hi,Dear,Thanks for your query to HCM. Studied your query in full depth of its details.Reviewed it in context of your health concerns. Based on the facts of your query,You with shallow breathing with central Chest Pain- problem, seems to suffer from-Costo-chondritis / or could be Myositis of ? Viral Origin or Unknown Origin.Unforeseen twist may have caused this.being central chest,creates doubts for chest pain also,which needs to be ruled out-by ECG and physicians opinion. The tylenol doubble strenght failed to give relief,creats doubts of the Anterior Mediastinal chronic infective pahtology or doubts of -Pleuritic pains. X-ray Chest and Chest CT would fix this ambiguity and would pinpoint the exact cause of this pain in central chest. Considering the facts of your query,Mostly it seems to be from Chest Cage or from Anterior Mediastinitis. Second Opinion from Chest specialist and physician would reduce this ambiguity by proper clinical examination and evaluation. Hope this reply would satisfy you and would help you to plan further treatmentwith your doctor there. Welcome any further query in this regard,which would be replied in next session. Will appreciate YOU,to write your excellent review feedback comments of this service experience, to help the needy patient visitors like YOU, at HCM services. Good Day!! Dr.Savaskar M.N. Senior Surgical Specialist M.S.Genl-CVTS