Heavy ETOH Plus a Metallic Taste: Clues to What Deficiency?
This patient's presentation also included a pruritic rash around the nasolabial region and inguinal folds. What type of deficiency would you test for?
A 60-year-old man presents complaining of a metallic taste in his mouth of several weeks' duration. He has a long-standing history of heavy alcohol consumption. On examination, he has a pruritic scaly rash around his nasolabial region and inguinal folds.
Which of the following deficiencies is the most likely cause of this patient’s presentation?
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