Medications for Opioid Overdose, Withdrawal & Addiction

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This infographic shows the different types of medications prescribed for opioid overdose, withdrawal, and addiction.

Medications for opioid addiction, overdose, and withdrawal work in various ways.

  • Opioid Receptor Agonist: Medications attach to opioid receptors in the brain to block withdrawal symptoms and cravings.
  • Opioid Receptor Partial Agonist: Medications attach to and partially activate opioid receptors in the brain to ease withdrawal symptoms and cravings.
  • Opioid Receptor Antagonist: Medications block activity of opioid receptors in the brain to prevent euphoric effects (the high) of opioids and alcohol and help reduce cravings.
  • Adrenergic Receptor Agonist: A medication that attaches to and activates adrenergic receptors in the brain and helps alleviate withdrawal symptoms.
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