How long does short acting tramadol last. . Everything you need to know about how long does opiate withdrawal last. Short-acting: Short-acting opioids begin to . However this is a little . A. . m. . It should be out of your system very soon as the next dose is allowed in four hours. . . Vicodin treat chronic back pain in the short . Best Answer: Hi there, Usually it takes a total of 7 days to get over the *physical* withdrawals of short-acting opioids (synthetic opiates). . Although tramadol d... more