Flash. Resp H1 Antihistaminic

Welcome to your Flash. Resp H1 Antihistaminic

Flashcard# 1 Resp H1

What are the two main classes of H1 antihistamines based on their sedative effects?

First-generation (sedating) and second-generation (non-sedating) antihistamines.

Flashcard# 2 Resp H1

What is a common side effect associated with first-generation H1 antihistamines like diphenhydramine?

Drowsiness or sedation.

Flashcard# 3 Resp H1

Which side effect might a patient experience when taking high doses of second-generation antihistamines like cetirizine?

Mild drowsiness, although less commonly than with first-generation antihistamines.

Flashcard# 4 Resp H1

Why should first-generation antihistamines be used with caution in the elderly population?

They can cause increased sedation, dizziness, and risk of falls in elderly patients.

Flashcard# 5 Resp H1

What precaution should be taken when administering H1 antihistamines to patients with glaucoma?

First-generation antihistamines can exacerbate narrow-angle glaucoma and should be avoided.

Flashcard# 6 Resp H1

If a patient complains of dry mouth while taking diphenhydramine, what can the nurse suggest?

Increase fluid intake, chew sugarless gum, or use saliva substitutes.

Flashcard# 7 Resp H1

What important patient education should be provided when administering a sedating antihistamine?

Advise the patient to avoid activities that require mental alertness, such as driving or operating heavy machinery.

Flashcard# 8 Resp H1

How should a nurse instruct a patient in terms of taking an antihistamine with regard to meals?

It's generally acceptable to take antihistamines with or without food, but taking with food might reduce the chance of stomach upset.

Flashcard# 9 Resp H1

Why is it crucial for a nurse to review all other medications a patient is taking before administering an H1 antihistamine?

To check for potential drug interactions, especially other CNS depressants, which can enhance sedative effects.

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Flashcard# 10 Resp H1

What should a nurse monitor for when a patient is started on an H1 antihistamine for the first time?

Monitor for any signs of an allergic reaction, including rashes, itching, swelling, severe dizziness, or difficulty breathing.

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