Zyrtec (cetirizine) is an over-the-counter (OTC) antihistamine commonly used to treat allergy symptoms, such as runny nose, ...

Cetirizine is used to treat symptoms of respiratory allergies like hay fever and itching due to hives. It is available in multiple forms including tablets, chewable tablets, orally disintegrating ...

Zyrtec and Claritin are similar over-the-counter allergy medications. Choosing what may work best for you can be a matter of subtle differences, such as side effects and the duration of the drug’s ...