An opioid medication, tramadol, works by binding to receptors in the brain to lessen pain perception. It is a potent painkiller that alters the way the brain and nervous system react to pain to lessen it. There are two forms of tramadol: immediate-release and extended-release. Buy Tramadol Online it is available online in tablet, solution (liquid), extended-release (long-acting) tablet, and capsule form for oral administration. Acute pain is often treated with the immediate-release version, while chronic pain is treated with the extended-release form.