RN Exam Practice
Pharmacological and Parenteral TherapiesQuestion 2226 of 2368

A nurse is teaching a client who will take diphenhydramine for allergy symptoms. Which client statement shows that the teaching was effective?

  1. "I can take extra doses on days when my symptoms are worse."
  2. "I should drink alcohol in the evening to help me relax."
  3. "I will avoid alcohol because it can add to the drowsiness."
  4. "This medicine will not make me sleepy."
Show answer

Correct answer: "I will avoid alcohol because it can add to the drowsiness."

Antihistamines may cause drowsiness, and alcohol or other CNS depressants should be avoided with them.

Source: Nursing Pharmacology, 2nd edition (Open RN, Chippewa Valley Technical College, 2023), Respiratory System: ANTIHISTAMINES. Licensed under CC BY 4.0.

Practice the topic "Pharmacological and Parenteral Therapies"

Questions last reviewed: 18 October 2026