Hundreds of people who stopped using allergy medications like Zyrtec and Xyzal noticed an uncomfortable new side effect, the U.S. Food and Drug Administration said in a warning issued this month.

Spring allergy season is in full swing, but the FDA has issued a warning about a rare but serious “severe itching” side effect from popular allergy medications that has affected ...

FDA warns of severe itching risk when stopping long-term use of allergy medications cetirizine and levocetirizine, affecting ...

WASHINGTON - The FDA has issued a warning about a rare but severe itching side effect linked to popular allergy medications. The affected medicines include well-known brands such as Zyrtec ...

Aquagenic urticaria is the medical term for a water allergy. It makes showering painful and leads to skin reactions from ...

The FDA warns that longtime users of popular allergy medications may experience "severe itching" after stopping use.