Substance Use, Misuse, and Dependence: Opioid Use Disorder, Overdose Management, Withdrawal, OUD Pharmacotherapy (Methadone, Buprenorphine, Naltrexone), Prescription Monitoring, Benzodiazepines & Barbiturates: Classification, Half-Lives, Overdose, Withdra

Substance Use, Misuse, and Dependence: Opioid Use Disorder, Overdose Management, Withdrawal, OUD Pharmacotherapy (Methadone, Buprenorphine, Naltrexone), Prescription Monitoring, Benzodiazepines & Barbiturates: Classification, Half-Lives, Overdose, Withdrawal, and Treatment Strategies, Clinical Identification of Drug-Seeking Behaviors, and CDC Guidelines for Safe Opioid Prescribing Questions Provided with A+ Graded Rationales Latest Updated 2026 Drug Misuse Use of illegal drugs and/or the use of prescription drugs in a manner other than as directed by a provider, such as use in greater amounts, more often, or longer than told to take a drug or using someone else's prescription. Overdose injury to the body (toxicity) that happens when a drug is taken in excessive amounts. Can be fatal or non-fatal. Physical Dependence Adaption (tolerance) to a drug that produces physical symptoms of withdrawal when the drug is stopped -continued administration of the drug is required to maintain normal body functions. Substance Abuse Disorder A problematic pattern of a substance use that causes significant impairment or distress. Individual has impaired control and may take the substance in larger amount or over longer period that was originally intended (DSM-5). • Unusual behavior in the waiting room • Assertive personality • Unusual appearance • Unusual knowledge of controlled substances • Often asks for a specific controlled drug • Textbook or vague response regarding medical hx • No interest in diagnosis • Drug misuse claiming prescribed dose did not reduce sxs • Sees multiple physicians for treatment of the same problem What are some potential drug seeking behaviors? Natural Natural, Semisynthetic, or Synthetic: -Morphine -Codeine -Thebaine Semisynthetic Natural, Semisynthetic, or Synthetic: -Heroin -Hydromorphone -Oxymorphone -Oxycodone -Buprenorphine Synthetic Natural, Semisynthetic, or Synthetic: -Methadone -Fentanyl -Meperidine -Tramadol -Tapentadol Heroin Made from morphine by adding acetyl groups (structurally known as diacetylmorphine) • White or brown powder, or a black sticky substance Heroin -enters the brain rapidly and binds to opioid receptors on cells