The onset of withdrawal symptoms after stopping Ativan (lorazepam) can vary from person to person depending on several factors such as the duration and amount of Ativan use, and individual factors like age, metabolism, and medical history.

Generally, withdrawal symptoms can start within a few hours to a few days after the last dose of Ativan, and peak between days 2-4, but may last for several weeks. It is important to seek medical guidance before stopping Ativan, as sudden cessation or too rapid tapering can cause severe withdrawal symptoms, including seizures and other life-threatening complications. A healthcare provider can create a safe and individualized tapering schedule to minimize the risk of withdrawal symptoms.