Tramadol is available as an oral tablet, an oral suspension, and an injectable solution. The oral tablet and suspension are used to treat pain in adults and children who are at least 18 years old. The injectable solution is only used by healthcare providers to treat pain in adults. Tramadol works by altering the way the brain responds to pain. Tramadol is available as an oral tablet, an oral suspension, and an injectable solution. The oral tablet and suspension are used to treat pain in adults and children who are at least 18 years old. The injectable solution is only used by healthcare providers to treat pain in adults. Tramadol works by...See more