A patient is about to receive penicillin G for an infection that is highly sensitive to this drug
While obtaining the patient's medication history, the nurse learns that the patient experienced a rash when given amoxicillin (Amoxil) as a child 20 years earlier. What will the nurse do?
a. Ask the provider to order a cephalosporin.
b. Reassure the patient that allergic responses diminish over time.
c. Request an order for a skin test to assess the current risk.
d. Suggest using a desensitization schedule to administer the drug.
ANS: C
Allergy to penicillin can decrease over time; therefore, in patients with a previous allergic reaction who need to take penicillin, skin tests can be performed to assess the current risk. Until this risk is known, changing to a cephalosporin is not necessary. Reassuring the patient that allergic responses will diminish is not correct, because this is not always the case; the occurrence of a reaction must be confirmed with skin tests. Desensitizing schedules are used when patients are known to be allergic and the drug is required anyway.
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