Cetirizine: An Overview of Brand Names, Uses, Interactions, and Side Effects

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Cetirizine: An Overview

Brand Names

Cetirizine is sold under various brand names including Zyrtec, Reactine, and Cetzine. It is a second-generation antihistamine used to treat allergies such as hay fever, allergic rhinitis, and hives.


Cetirizine is primarily used to treat symptoms of allergies such as sneezing, runny nose, itching, and watery eyes. It works by blocking the action of histamine, a chemical that is released by the body in response to an allergen.


Cetirizine may interact with other medications such as sedatives, tranquilizers, and antipsychotics. It is also important to avoid alcohol while taking cetirizine as it may increase the risk of side effects.

Side Effects

Common side effects of cetirizine include drowsiness, dry mouth, headache, and nausea. In rare cases, it may cause serious side effects such as seizures, irregular heartbeat, and difficulty breathing. If you experience any of these symptoms, seek medical attention immediately.


Cetirizine is a widely used antihistamine for treating allergies. It is available under various brand names and is generally safe when used as directed. However, it is important to be aware of potential interactions and side effects and to seek medical attention if necessary.
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