PT - JOURNAL ARTICLE ED - , TI - Ibufenac (dytransin) AID - 10.1136/dtb.4.12.46 DP - 1966 Jun 10 TA - Drug and Therapeutics Bulletin PG - 46--47 VI - 4 IP - 12 4099 - http://dtb.bmj.com/content/4/12/46.short 4100 - http://dtb.bmj.com/content/4/12/46.full SO - Drug Ther Bull1966 Jun 10; 4 AB - Ibufenac (4-isobutylphenylacetic acid, Dytransin - Boots) is the result of a search for an effective analgesic which can be used regularly in treating chronic rheumatic disorders without causing gastro-intestinal upset, in other words a non-irritating aspirin substitute.