USMLE® Step 2 CK · Emergency Medicine · Topic EM-TOX-06

Opioid & sedative-hypnotic overdose — recognition & reversal

Opioid & sedative-hypnotic overdose — recognition & reversal (EM-TOX-06) in USMLE® Step 2 CK Emergency Medicine (USMLE® Step 2 CK Review Book p. 153). Guideline basis: 2025 SAMHSA Opioid Overdose Prevention; 2023 FDA Narcan over-the-counter; 2022 CDC Opioid Prescribing Guideline. Covers: Opioid toxidrome & naloxone, Renarcotization & disposition, Sedative-hypnotic overdose & flumazenil, Chronic opioid safety. Practice 54 QuestionBank questions, ChartWalk bedside clinical algorithms, FlashCards, and ImageBank on TheCodexes.com. Understand beyond your boards.

Topic Code
EM-TOX-06
Chapter
Emergency Medicine
Review Book Page
p. 153
QuestionBank Items
54 questions

Primary Guideline / Source: 2025 SAMHSA Opioid Overdose Prevention; 2023 FDA Narcan over-the-counter; 2022 CDC Opioid Prescribing Guideline

Key Clinical Sections