The nurse knows that a patient is having an idiosyncratic reaction to the stimulant pseudoephedrine (Sudafed) when what happens?

A) The patient experiences blurred vision while driving.
B) The patient falls asleep during daily activities.
C) The patient presents with a pruritic rash.
D) The patient develops xerostomia.

Idiosyncratic Reaction

An abnormal or unexpected response to a medication or substance, which is different from its known side effects and varies between individuals.

Pseudoephedrine

A decongestant used to relieve nasal congestion caused by colds, allergies, and hay fever, but can also be misused in the manufacture of methamphetamine.

Xerostomia

A medical condition characterized by dry mouth due to reduced or absent saliva flow, often causing discomfort and other oral health issues.