• Health

    Does Zyrtec Cause Drowsiness?

    Understanding Zyrtec and its Effects Zyrtec is a brand name for the drug cetirizine, which is an antihistamine medication used to treat allergies, such as hay fever, hives, and allergic rhinitis. Antihistamines work by blocking the action of histamine, a substance produced by the body in response to an allergic reaction. This reduces the symptoms of allergies, such as sneezing,…

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