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Narcotic - Wikipedia
What Are Opioid, or Narcotic, Drugs and Medications? - Healthline
Narcotic | Definition, Types, & Effects | Britannica
Narcotic Definition & Meaning - Merriam-Webster
13 Examples of Narcotic Drugs and Medications - Healthline
Opioids (narcotic analgesics) - Drugs.com
Understanding Opioid (Narcotic) Pain Medications - Drugs.com
Opioid (Narcotic) Pain Medications: Dosage, Side Effects, and More - WebMD
Opioids: What They Are, Side Effects & Disorders - Cleveland Clinic