Zyrtec and Xyzal are approved by the FDA for over-the-counter use. You can find plenty of Reddit threads with folks discussing their allergies getting worse. Many users also discuss the right way to ...

Zyrtec is expanding its lineup of allergy medicines with three new products. The company noted that 70% of allergy sufferers do not currently treat symptoms due to allergy medicines being “one size ...

In case you aren’t familiar with Zyrtec, it’s an allergy medication that can be purchased at your local drug store. It’s used to treat symptoms like watery or itchy eyes, runny noses, sneezing, hives, ...

When cetirizine was loaded into the hollow mesoporous molecular sieve, the drug was almost not released in the oral cavity when the patient took the preparation orally, which effectively avoided the ...