If you've been taking Zyrtec or Xyzal for your worsening allergy symptoms, there's a new side effect you should know about.

Although the side effect is rare, the FDA said some patients experienced severe itching that required medical attention.

The U.S. Food and Drug Administration has issued a warning about a rare but severe reaction that can happen to people who ...

Two antihistamines, including Zyrtec, are under warning by the FDA after people reported “severe itching” after ceasing ...

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

Some patients may suffer from unbearable itching across their entire body after stopping common allergy medications, health ...

“Reported cases were rare but sometimes serious, with patients experiencing widespread, severe itching that required medical ...

The agency will require manufacturers to add a warning to prescription and OTC labeling about the risk of itching and the ...

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

People who regularly use the allergy medications Zyrtec or Xyzal may experience severe itching when they stop, the U.S. Food ...

In a statement, Kenvue, the manufacturer of Zyrtec, said, "We take patient safety very seriously and actively monitor and report any adverse events to regulatory authorities." "As FDA recognized ...