Tramadol 100 mg (019 pill) is an opioid pain reliever that is also sold under the brand name Ultram. It is a synthetic opioid pain medication primarily utilized for the management of moderate to moderately severe pain in adults, when other non-opioid painkillers are ineffective or unable to provide the desired result. Tramadol 100mg white capsules are categorized as an analgesic and comes under Schedule IV drugs, which indicates Tramadol HCL 100mg has a lower potential for drug abuse.