Tramadol tablets have two methods of mechanisms. Primarily, the tablets bind themselves to the μ-opioid receptor and later the inhibition of the reuptake of the norepinephrine and serotonin takes place. Tramadol should be schedule. It is extremely addictive & withdrawals are potentially even worse. I take them every day and I do love them. It gives me energy, calmness, & takes away all my aches & pains.