<prompt> A 40 year old woman with Crohns Disease reports multiple bowel movements with frequent stools. She was previously treated with a mesalamine derivative Pentasa and in the latest episode of the disease flare up she didnt tolerate the oral steroid therapy with budesonide. What is the next appropriate step in her treatment?Hydrocortisone I.VPrednisolone oralAzathioprineSulfasalazine  <response>: Answer: c AzathioprineAzathioprine can be used to control the flare ups in Crohns disease without any steroid related side effects 