Zyrtec® (cetirizine hydrochloride) is a medication that is often used for the treatment of allergy symptoms and itching due to hives. It is a type of antihistamine that can help alleviate itching, runny nose, sneezing, and watery eyes. Zyrtec is available over the counter and comes in various forms, including syrup, tablets, and chewable tablets. While most people tolerate the drug well, potential side effects include dry mouth, fatigue, and drowsiness.
(Click Zyrtec to learn more about this medication, including how Zyrtec works, when and how to take the drug, and what you should be aware of before starting treatment. You can also click on the various links in the box to the right to access specific topics on Zyrtec.)