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A patient is developing hives after the administration of blood products. The physician has ordered a one time dose of diphenhydramine. Which of the following side effects can the nurse expect?

Explanation

•Diphenhydramine is a first generation antihistamine.

•Expected side effects include sedation and anticholinergic effects.

•Urinary incontinence, excessive salvation, and bradycardia are opposite of the expected anticholinergic effects caused by diphenhydramine.

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