"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Allergy season is in full swing, and chances are, if you're one of the 25 percent of adults who suffer ...

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 ...

The uncomfortable side effect typically appears within days of stopping the medicine after long-term use Zyrtec; Xyzal The FDA is issuing a warning about a rare but severe reaction that can happen ...

QUESTION: I am a medical doctor who has been taking Zyrtec for four years for a cat allergy. In the last two years, I noticed that 48 hours after missing a Zyrtec dose, I would get incredible itching ...