The pain associated with costochondritis usually:  Occurs on the left side of your breastbone Is sharp, aching or pressure-like Affects more than one rib Can radiate to arms and shoulders Worsens when taking a deep breath, coughing, sneezing or with any chest wall movement 
pain associated costochondritis usually:  occurs left side breastbone sharp  aching pressure-like affects rib can radiate arms shoulders worsens taking deep breath  coughing  sneezing chest wall movement 
costochondritis