Wanting a clear answer to how long detox takes is completely reasonable, especially when you're weighing whether to start. The honest answer is that it varies. How much someone drank, how often, and for how long all shape the timeline, along with age and overall health. Still, the medical picture is well understood. Alcohol withdrawal tends to move through predictable stages, and we can tell you what usually happens and when. In the sections below, we walk through detox day by day so you know what to expect.