Often used to treat moderate to severe pain, Buy Tramadol 100mg Online medication that looks like an opioid. It is classified as a synthetic opioid, which means that despite structural similarities, it has different physiological effects from opioids. Tramadol’s main advantages as a pain reliever are as follows: Talking to a healthcare provider before using tramadol is always advised because it might not be suitable for everyone, especially for people with certain medical conditions or those taking other medications.