Ultram is the generic name for a prescription pain reliever sold under the brand names Conzip, Rybix ODT, and Ultram ER, etc. Generally, the experts prescribe Ultram to treat moderate to severe pain in adults or the pain after the surgery. It comes in the form of a tablet, and as an extended-release tablet or capsule to treat around-the-clock pain. You can also buy Ultram online to treat your pain. Ultram comes in a class of pain reliever drugs called opiate narcotic analgesics, which works on the brain and stops the messages of pain coming from the brain. It also increases the levels of the neurotransmitters norepinephrine and serotonin. But it can also increase your risk of having a seizure.