Tramadol is an opioid that is centrally acting analgesic. It is mainly used for curing severe to moderate pain. Tramadol is the synthetic agent and appears to show actions upon the opioid receptor in addition to serotonergic and noradrenergic systems. This pain reliever drug has been acclaimed as a licensed drug, and has been certified as a safe drug. Many of the drug companies market this product by the name of Ultram.

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