What can i do for pain in left side rib cage?

Get an Examination d: You should visit your doctor if your pain persists beyond 1-2 weeks. The causes of chest pain are quite varied depending on its location, relationship to breathing and any associated symptoms such as cough or breathing difficulty. You need a detailed examination and if needed your doctor can do x-rays of the chest or lungs to check for any internal lung or hreart conditions causing your pain.