Sharp pain randomly comes and goes in the left hand side ribs really hurts for a good ten mins then goes for a while then again will start up ?

R/O PLEURITIS: PLEURITIS=inflammation of the lining of the lung and Pericarditis = inflammation of the lining of the heart can both cause referred shoulder pain. As well as a PE=Lung blood clot. You need a full exam lab testing CXR/EKG/Shoulder X-ray to evaluate your symptoms . Please seek prompt medical attention for diagnosis and treatment options.