A 17-year-old male student presents to the ED with leg pain and is discharged with Tylenol. After 1 day, he returns with nausea, vomiting, profuse diarrhea, yawning, perspiration, and a runny nose. On examination, his pupils are dilated, twitching is noted in the muscles, and there is no abdominal tenderness. Which drug is most likely responsible for these withdrawal symptoms? Question 25 options: Alcohol Heroin Benzodiazepine Cocaine
