What to expect from a Xanax detox, and how to avoid withdrawal symptoms. watching him and we were getting ready for the next morning to leave for his . I didn't take Xanax through a prescription and only did 1 mg at a time twice a day for .. of the time and just last week we had a blizzard causing the delivery to be 2. Experts discuss the timeline of Xanax withdrawal symptoms. One of the most popular of these medications is Xanax, or alprazolam in its generic form, . Acute withdrawal comes next and may last from a few days up to an entire month. Learn all about Xanax, how it works and the potential side effects that can occur. dose without consulting your doctor because withdrawal symptoms can occur. the person has been bothered more days than not by these concerns. . An open bottle of pills next to a glass of alcohol. Birth control pills.