The length of an alcohol relapse can vary depending on several factors such as the severity of the relapse, the individual’s overall health, and the length of time since their last drink. In some cases, a relapse can last only a few days or weeks, while in other cases it can last for months or even longer. It is important for individuals who have experienced a relapse to seek support and guidance from healthcare professionals or addiction specialists to help them manage their symptoms and get back on track in their recovery.