Benzodiazepine withdrawal can occur within hours to days after the last use, depending on the half-life of the particular benzodiazepine used. Short-acting benzodiazepines like alprazolam (Xanax) and lorazepam (Ativan) can cause withdrawal symptoms to appear within a few hours to a day after the last use, while longer-acting benzodiazepines like diazepam (Valium) may take a … Continue reading How Early Can Benzodiazepine Withdrawal Occur In A Patient?