The analgesic action of tramadol hydrochloride is because of both equally mum or dad drug as well as the M1 metabolite (seeCLINICAL PHARMACOLOGY, Pharmacodynamics). Tramadol is administered to be a racemate and both equally the [-] and [+] types of each tramadol and M1 are detected during the circulation. Tramadol is nicely absorbed orally with an