A patient is treated at a clinic with an intramuscular (IM) injection of penicillin for a streptococcal throat infection. The patient's history reveals a prior penicillin injection with no allergic response. When the penicillin injection is administered, the nurse should tell the patient,

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Quizplus · Accepted Answer

Allergic reactions usually occur within minutes after injection of an allergen, and the patient will be monitored for about 20 minutes after the penicillin is given. Once a patient has been initially exposed to an allergen such as penicillin, an allergic reaction may occur with any subsequent exposure. Although allergic reactions may occur immediately, they can occur several hours after exposure to the allergen. A fever or skin rash occurring in 24 to 48 hours is not typical of a penicillin reaction.

A Patient Is Treated at a Clinic with an Intramuscular