Tramadol is a synthetic opioid, a pain medication used to treat moderate to severe pain that can not be treated or cured by their medicines. This drug works in the central nervous system (the brain and spine). You can easily buy Tramadol online with the help of various drug-selling websites. Tramadol helps treat moderate or moderately severe pain. The pain relief begins within an hour when taken orally in an immediate-release formula. Sometimes it is sold with a combination of paracetamol or more extended-acting formula like Ultracet.