<prompt> DOC of acute exacerbation of ulcerative colitis?SulfasalzineSteroidsInfliximabCyclosporine  <response>: Initial management of ulcerative colitisis is with steroid enema, while many patients will require a sho course of intravenous coicosteroids like methyl-prednisolone. In patients with steroid-refractory colitis, the choice is between rescue medical therapy with cyclosporine or infliximab, or surgery. 