A patient will begin taking dimercaprol (BAL in Oil) for arsenic poisoning. The nurse performs a medical history on this patient. Which aspect of the patient's history would cause the most concern?
a. Anemia
b. Lead exposure
c. Peanut allergy
d. Peptic ulcer disease
ANS: C
Dimercaprol is formulated in peanut oil and should not be given to patients with peanut allergy. A history of anemia, previous lead exposure, or peptic ulcer disease are not contraindications to treatment with this drug.
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