RT Journal Article SR Electronic T1 â–¼Tramadol - a new analgesic JF Drug and Therapeutics Bulletin JO Drug Ther Bull FD BMJ Publishing Group Ltd SP 85 OP 87 DO 10.1136/dtb.1994.321185 VO 32 IS 11 YR 1994 UL http://dtb.bmj.com/content/32/11/85.abstract AB Relevant BNF section: 4.7.2Tramadol (Zydol - Searle) is a centrally acting opioid analgesic newly marketed in the UK for use by mouth or injection. It is licensed for the prevention and treatment of moderate to severe pain. The manufacturer claims that it causes less constipation and respiratory depression than conventional opioids and that it offers a special "dual action". We examine the claims and consider the place of tramadol.