Hot Potato Voice and Stridor—What’s the Cause?

Which medication is the most likely cause of this patient’s reaction?

A 75-year-old female presents with acute swelling of the tongue. She is taking anti-hypertensive medication and has no known allergies. During the course of your examination, you notice the swelling increases and she develops a hot-potato voice and stridor. Which medication is the most likely cause of this patient’s reaction?

A. Candesartan
B. Verapamil
C. Atenolol
D. Benazepril

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