Protracted withdrawal symptoms or post-acute withdrawal symptoms are symptoms that persist for weeks or months after quitting Ativan. These symptoms can appear, go away, and reappear without warning. They are thought to be caused by changes that take place in the brain as a result of substance abuse. Ativan Withdrawal and Detox. Withdrawal from Ativan causes symptoms like anxiety, nausea and irritability. Medically-assisted detox can help to reduce these symptoms and make the process safer. Lorazepam (Ativan) withdrawal symptoms can occur soon after the last dose is taken. In most cases, lorazepam (Ativan) withdrawal is unpleasant and can potentially be life-threatening. Ativan, the trade name for lorazepam, is a prescription medication that is part of the benzodiazepine class (which includes Xanax, Klonopin, and Valium) used to treat anxiety disorders, seizures, and acute alcohol withdrawal. Benzodiazepine withdrawal syndrome—often abbreviated to benzo withdrawal—is the cluster of symptoms that emerge when a person who has been taking benzodiazepines, either medically or recreationally, and has developed a physical dependence, undergoes dosage reduction or discontinuation. Ativan withdrawal symptoms can be eased via medical detox. The program should be supervised by a physician who can slowly taper down the dosage of Ativan for the individual, minimizing withdrawal symptoms. Causes, Signs and Symptoms of Ativan Withdrawal. Withdrawal from Ativan may occur if you suddenly stop taking it, so it is important you talk with your prescribing physician for the safest plan to taper off of it. Symptoms of Ativan withdrawal including 10 medical symptoms and signs of Ativan withdrawal, alternative diagnoses, misdiagnosis, and correct diagnosis for Ativan withdrawal signs or Ativan withdrawal symptoms. Ativan withdrawal is associated with a host of symptoms, which can be lessened or avoided if an effective tapering process is initiated and maintained. Once Ativan withdrawal symptoms have abated, the person can begin to focus on the psychological part of the addiction. Most rehab and recovery facilities offer individual, group, and family therapy options, as well as 12-step support groups, to ensure successful long-term recovery.