A nursing instructor is describing the advantages of using a second-generation antihistamine over a first-generation antihistamine. Which of the following would the instructor most likely include? Select all that apply
A) Less sedation
B) Fewer anticholinergic effects
C) Less nausea
D) Can be used during pregnancy
E) Can be used during lactation
Ans: A, B
Feedback:
Second-generation antihistamines cause less sedation and fewer anticholinergic effects because they selectively bind to peripheral rather than central H1 receptors. Some first-generation antihistamines can be used as antiemetics. Use of any antihistamine is contraindicated during pregnancy and lactation.
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