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Difficulty: EasyGastroenterology and Hepatology

Following a one-week vacation in a tropical resort, a 32-year-old female presents to the outpatient clinic reporting 48 hours of frequent, watery bowel movements. She describes having three to four loose stools per day accompanied by mild abdominal cramping. She denies seeing blood or mucus in the stool and has not experienced fever, chills, nausea, or vomiting. Her medical history is unremarkable, and she takes no daily medications. Vital signs show a temperature of 37.1°C (98.8°F), blood pressure of 118/76 mmHg, and heart rate of 78/min. On physical examination, the abdomen is soft and non-tender with active bowel sounds. The patient requests an antibiotic prescription to ensure she can return to work tomorrow. Which of the following is the most appropriate management plan for this patient?

  1. Symptomatic management with fluid replacementAnswer
  2. B
    Empiric therapy with oral ciprofloxacin
  3. C
    Empiric therapy with oral azithromycin
  4. D
    Empiric therapy with oral metronidazole
  5. E
    Empiric therapy with oral vancomycin

Answer

Symptomatic management with fluid replacement
The patient presents with classic symptoms of mild traveler's diarrhea, characterized by a few loose stools per day and mild cramping, but lacking systemic toxicity or dysentery (bloody stools). The vast majority of these cases are caused by viral pathogens or self-limiting bacterial infections such as enterotoxigenic Escherichia coli (ETEC). The standard of care for mild traveler's diarrhea is supportive, focusing on oral fluid and electrolyte replacement. Antimicrobial therapy is not indicated due to the self-limiting nature of the illness and the principles of antibiotic stewardship.

Step-by-Step Solution

1
Analyze the clinical presentation.
The patient has mild, watery diarrhea with no warning signs (no high fever, no gross blood, no severe abdominal pain) following recent travel.
Categorizing the severity of traveler's diarrhea dictates the necessity of antimicrobial therapy.
2
Determine the appropriate intervention.
Supportive care with oral rehydration is selected.
Current guidelines recommend against the routine use of antibiotics for mild traveler's diarrhea to prevent antibiotic resistance and adverse effects.

Key Concept

Management of mild traveler's diarrhea emphasizes supportive care over antimicrobial therapy.
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Topics

Gastroenterology and Hepatology

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