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

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 ...

The U.S. Food and Drug Administration has issued a warning that people who have used certain common allergy medications may ...

The two antihistamines are approved for seasonal allergic rhinitis in individuals 2 years and up, along with perennial ...

The US Food and Drug Administration (FDA) has issued a warning regarding a rare but troubling side effect experienced by some ...

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

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

ABC News' Dr. Tara Narula explains the FDA's new alert about a rare but serious reaction that may occur when stopping ...

The FDA is updating the prescribing information for certain allergy medicines to include ... of the over-the-counter versions add a warning to the Drug Facts Labels. “In the meantime, we want ...