المُسْتَمْن

1. Severe Chronic Pain
   • Used for moderate to severe ongoing pain (like cancer pain, neuropathy, or long-term pain) when other painkillers are not enough.
   • It provides long-lasting relief (usually 8–12 hours or more per dose).
2. Opioid Addiction Treatment (Most Common Use)
   • Used in Medication-Assisted Treatment (MAT) for Opioid Use Disorder (OUD).
   • Helps people detox from heroin, oxycodone, fentanyl, or other strong opioids.
   • Reduces cravings, prevents withdrawal symptoms, and blocks the “high” from other opioids.
   • Often used for long-term maintenance therapy under strict medical supervision.

Key Features:

• Long-acting: Effects last longer than most other opioids.
• Strength: 10 mg tablet is a common dose, but it’s very potent.
• Controlled Substance: Schedule II in the USA (high potential for abuse and dependence).