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

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

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

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

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

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

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