The onset of Adderall withdrawal symptoms can vary depending on several factors, including the individual’s dosage, frequency of use, and overall health. However, in general, Adderall withdrawal symptoms can start within a few hours to several days after the last use. The early symptoms of Adderall withdrawal can include fatigue, depression, irritability, and anxiety, while later symptoms can include sleep disturbances, cravings, and difficulty concentrating. It is recommended that individuals seeking to discontinue Adderall use do so under medical supervision to ensure a safe and healthy withdrawal process.