Withdrawal from short-acting opioids (such as heroin) can begin between eight and 24 hours after the last use and can last between four and 10 days. Long-acting opioids, like prescription pain ...

Still, the severity, time of onset, and duration of withdrawal symptoms can vary depending on whether the opioids are short-acting or long-acting, as follows: If you know someone experiencing ...

Feb. 25, 2025 – The FDA has approved a new treatment plan for a long-acting injection, making it easier for people with moderate to severe opioid use disorder (OUD) to start and keep up with ...

Dependent on heroin or short-acting opioids: initiate induction at least 4hrs after last opioid use. Dependent on methadone or long-acting opioids: initiate induction at least 24hrs after last ...