What is tramadol?

Tramadol is opioid analgesic Tramadol is a weak central-acting opioid analgesic. The analgesic effect is due to non-selective agonistic interaction with the opioid mu-, delta- and kappa-receptors (with greater affinity for mu-receptors). It also affects the monoaminergic system involved in the regulation of painful stimuli. In therapeutic dosages, tramadol has almost no effect on hemodynamic […]