Fentanyl Comedown Timeline: Withdrawal Symptoms and Duration
Fentanyl withdrawal typically begins 8 to 24 hours after the last dose of short-acting fentanyl. Peak withdrawal symptoms occur around 36 to 72 hours after cessation, when physical discomfort and psychological distress are at their worst. For most people, acute physical symptoms usually last 7 to 10 days before beginning to ease. The fentanyl comedown…

