曲马多, 英文名:Tramadol(INN),是一种鸦片类药物 ,主要用作镇痛药,可缓解普通到严重的疼痛。该药是人工合成的,作用于μ-阿片类受体以及去甲肾上腺素和血清张力素系统。 Tramadol hydrochloride (trademarked as Conzip, Ryzolt, Ultracet, Ultram in the USA,Ralivia and Zytram XL in Canada) is a centrally-acting synthetic analgesic used to treat moderate to moderately-severe pain. The drug has a wide range of applications, including treatment of rheumatoid arthritis, restless legs syndrome and fibromyalgia. It was launched and marketed as Tramal by the German pharmaceutical company Grünenthal GmbH in 1977.