例1:女、46a,工人,因三叉神经痛反复发作3mo余,阵痛加剧1wk,给予消炎痛25mg,tid,3d 后出现下腹疼痛、腹泻,每日3～4次粘液血便,并有里急后重感。检查大便:粘液红血球++,无脓球,停服消炎痛3d 后,症状自行缓解消失。未用肠道抗菌药物。例2:女、40a,工人,患肩周炎半年,医生给予消炎痛25mg,tid,4d 后出现下腹部轻微疼痛,d5腹泻,并 Example 1: female, 46a, workers, due to repeated episodes of trigeminal neuralgia more than 3mo, menstrual pain aggravated 1wk, given indomethacin 25mg, tid, 3d abdominal pain after emergence, diarrhea, 3 to 4 times daily mucus bloody stools, . Check the stool: mucus red blood cells ++, no pus ball, stop taking indomethacin 3d, the symptoms ease and disappear. No intestinal antibacterials. Example 2: female, 40a, workers, suffering from frozen shoulder six months, the doctor given indomethacin 25mg, tid, 4d after a slight pain in the lower abdomen, d5 diarrhea, and