Tramadol, sold under the brand name Ultram among others, is an opioid pain medication used to treat moderate to moderately severe pain. When taken by mouth in an immediate-release formulation, the onset of pain relief usually begins within an hour. It is also available by injection. Tramadol 50mg Tablet is a pain relieving medicine. It is used to manage persistent, moderate to severe chronic pain that requires continuous, around-the-clock treatment. Tramadol 50mg Tablet can be taken with or without food. In general, you should try to use the smallest amount necessary to control your symptoms, for the shortest possible time.