Week 6: Antihistamine Intranasal: Upper Respiratory Med Flashcards
1
Q
Antihistamine Intranasal Drug
A
azelastine
2
Q
Expected Pharmacologic Action
A
- work on the H2 receptor blocking histamine release in the small blood vessels, capillaries, and nerves during allergic reactions
- relieve itching, sneezing, and rhinorrhea
- do not relieve nasal congestion
3
Q
Therapeutic Use
A
- allergic reactions
- anaphylaxis
- motion sickness
- insomnia
4
Q
Complications
A
- GI discomfort
- acute toxicity, excitation, hallucinations, incoordination, and seizures in children
5
Q
Contraindications
A
- pregnancy risk category B
- contraindicated during third trimester of pregnancy, breastfeeding, and newborns
- children and older adults
- in asthma, seizure disorder, cardiac disease, renal disease, urinary retention, open-angle glaucoma, hypertension, prostate hypertrophy
6
Q
Interactions
A
CNS depressants/ alcohol cause additive CNS depression
7
Q
Medication Administration
A
-take with food
8
Q
Nursing Interventions
A
- administer activated charcoal and cathartic to decrease absorption of antihistamine
- acetaminophen for fever
- apply ice packs or sponge baths
9
Q
Client Education
A
-avoid alcohol and medications causing CNS depression
10
Q
Evaluation of Medication Effectiveness
A
- improvement of allergic reaction (absence of rhinitis, urticaria)
- relief of motion sickness (decreased nausea and vomiting)
