RT Journal Article SR Electronic T1 Cimetidine and gastric cancer: a reappraisal JF Drug and Therapeutics Bulletin JO Drug Ther Bull FD BMJ Publishing Group Ltd SP 65 OP 67 DO 10.1136/dtb.21.17.65 VO 21 IS 17 YR 1983 UL http://dtb.bmj.com/content/21/17/65.abstract AB Over two years have passed since fears were raised in the national press that cimetidine might cause gastric cancer.1 These fears arose from case reports of gastric cancer apparently developing during cimetidine treatment,2 and from the theory that taking cimetidine might increase N-nitroso compound formation in the stomach. What is the evidence now?