An elderly female, with a definitive diagnosis of temporal arteritis which was under treatment, referred to our hospital with weakness, epigastric pain along with oral ulcerations. Before admission, the patient had developed right sided throbbing headache along with decrease in vision of her right eye with an ESR of 72 mm/h. She was diagnosed as having temporal arteritis and was administered steroids and azathioprine. After a couple of months, patient started having generalized weakness, epigastric pain and oral ulceration and then her intake of solid food decreased. Patient was kept on liquid diet that was delivered by a nasogastric tube. Upper GI endoscopy along with biopsy revealed cytomegalovirus (CMV) duodenitis. She was started on oral ganciclovir and later her symptoms improved.