Once physical or psychological dependence has been developed for Ativan, withdrawal symptoms will appear when the drug is quit. The symptoms can be both physical and psychological which indicate that body has become accustomed to function in the presence of the drug so its absence is making it hard for the body to function. Withdrawal symptoms keep appearing as the body learns to function in the absence of the drug. People who have taken it exactly as prescribed may also experience withdrawal symptoms after quitting it. There have been incidents of people becoming addicted to it even after using it for as long as one week. However, the severity of symptoms appearing depends upon the time drug was abused fro, amount it was taken in and personal factors such as genetic disposition of the user.