Cetirizine
from class: Pharmacology for Nurses Definition Cetirizine is an antihistamine used to relieve allergy symptoms such as watery eyes, runny nose, itching eyes/nose, and sneezing. It works by blocking histamine, a substance in the body that causes allergic symptoms.
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Predict what's on your test 5 Must Know Facts For Your Next Test Cetirizine is a second-generation antihistamine, meaning it generally causes less drowsiness compared to first-generation antihistamines. It is commonly marketed under brand names such as Zyrtec. Cetirizine can be taken orally in the form of tablets, chewable tablets, or syrup. It is often prescribed for conditions like hay fever and urticaria (hives). Side effects may include drowsiness, fatigue, dry mouth, and dizziness. Review Questions What class of drug is cetirizine? Name two common side effects of cetirizine. Why might cetirizine be preferred over first-generation antihistamines? "Cetirizine" also found in:
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