1(800) 615-1067The duration and severity of speed (amphetamine) withdrawal can vary depending on factors such as the individual’s level and frequency of use, the duration of use, and their overall health. Generally, acute withdrawal symptoms may begin within a few hours to a few days after the last use and may last for several days to several weeks. However, some individuals may experience longer-lasting symptoms, such as depression and cravings, that can persist for months or longer. It’s important to seek medical supervision during the withdrawal process, especially if one experiences severe symptoms such as suicidal thoughts or seizures.