Tramadol is a strong painkiller from a group of medicines called opiates, or narcotics. It's used to treat moderate to severe pain, for example after an operation or a serious injury. If you have long term pain, your doctor may also Tramadol is used to relieve moderate to moderately severe pain in adults and children 12 years of age or older. Tramadol extended-release tablets and capsules are only used by people who are expected to need medication to relieve pain around-the-clock.