What must be administered before glucose infusions for a patient in alcohol withdrawal to prevent Wernicke's encephalopathy?
a. Chlordiazepoxide (Librium)
b. Thiamine
c. Diazepam (Valium)
d. Bromocriptine (Parlodel)
ANS: B
Thiamine and multiple vitamins should be administered routinely to patients in alcohol withdrawal. Intravenous fluid therapy for rehydration may be necessary, but thiamine must be administered before glucose infusion to prevent Wernicke's encephalopathy. Benzodiazepines are given for treatment of anxiety and seizures associated with alcohol withdrawal. Bromocriptine is not used to prevent Wernicke's encephalopathy.
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