A 37-Year-Old Man Is Admitted to the Hospital for Right

A 37-year-old man is admitted to the hospital for right lower-lobe pneumonia.  He is given antibiotics, and his shortness of breath and fever improve by the second hospital day.  However, he now has new-onset abdominal pain, diarrhea, and severe muscle aches.  The patient has no history of gastrointestinal conditions or prior surgeries but does admit to recreational drug use.  Temperature is 36.8 C (98.2 F) , blood pressure is 124/80 mm Hg, and pulse is 88/min.  On examination, the patient appears uncomfortable and anxious.  Pupils are dilated and there is prominent lacrimation.  Abdominal examination reveals hyperactive bowel sounds without tenderness or distension.  Which of the following is the most likely diagnosis?

A) Alcohol withdrawal
B) Amphetamine intoxication
C) Antibiotic side effect
D) Benzodiazepine withdrawal
E) Cocaine intoxication
F) Nicotine withdrawal
G) Opioid withdrawal
H) Viral gastroenteritis

Correct Answer:

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