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Pharmacology 10

A 24-year-old ma presents to the emergency department with a fever and a sore throat for the past 5 days. He denies any sick contacts. The patient has a past medical history of an unknown mood disorder and was started on a medication to treat this 2 months ago. He does not smoke cigarettes, drink alcohol, or use illicit drugs. Vital signs are temperature 38°C (100.4°F), blood pressure 102/70 mmHg, pulse 107 beats/min, and respirations 14/min. Physical examination reveals an oral ulcer and tachycardia. Laboratory studies reveal the following:

  • Leukocytes: 1500/mm3
  • Hemoglobin: 14.0 g/dL
  • Platelets: 330,000/mm3
  • Creatinine: 0.9 mg/dL

Which of the following medications most likely caused these findings?

  • A) Carbamazepine
  • B) Lamotrigine
  • C) Lithium
  • D) Oxcarbazepine
  • E) Valproic acid


Janna Yang


Dr. Ted O'Connell

Last updated

Jun 06, 2024

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