Adderall XR withdrawal can last several weeks or longer, depending on various factors such as the person’s dosage, frequency of use, and how long they have been taking the medication. Common symptoms of Adderall XR withdrawal may include fatigue, depression, irritability, anxiety, insomnia, and changes in appetite. It is recommended to consult with a healthcare professional before stopping the use of Adderall XR to discuss the safest and most effective way to taper off the medication and manage withdrawal symptoms.