cetirizine ( antihistamine)- zyrtec

Question 1

pharmacological class of cetirizine

Answer 1

antihistamine

Question 2

what generation is cetirizine in

Answer 2

2nd generation H1 antagonist

Question 3

pharmacological action of cetirizine

Answer 3

action is on H1 receptor; results in blocking histamine release in the small blood vessels; capillaries and nerves during allergic reaction

relieve itching; sneezing; rhinorrhea;

Question 4

therapeutic use of cetirizine

Answer 4

mild allergic reactions (seasonal allergic rhinitis; urticaria mild transfusion reaction

anaphylaxis ( hypotension; acute laryngeal edema; bronchospasm

motion sickness; insomnia; often used in combination with sympathomimetics to provide nasal decongestant effect

Question 5

complications of cetirizine

Answer 5

sedation; anticholinergic effects; GI discomfort; acute toxicity—-excitation; seizures in children

Question 6

contraindications of cetirizine

Answer 6

use cautiously in children and older adults — respiratory depression

use in clients who have asthma, seizure disorder, cardiac disease, renal disease, urinary retention; open-angle glaucoma hypertension and prostate hypertrophy

Question 7

interactions with cetirizine

Answer 7

CNS depressants; alcohol cause additive CNS depression

avoid alcohol and medications causing CNS depression (opioids barbiturates and benzodiazepines)

Question 8

effectiveness of cetirizine evaluation

Answer 8

improvement of allergic reaction (absence of rhinitis; urticaria
relief of motion sickness decreased nausea and vomiting