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.

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

Hundreds of people who stopped using allergy medications like Zyrtec and Xyzal noticed an uncomfortable new side effect, the ...

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 about a rare but severe reaction that can happen to people who ...

Over-the-counter allergy medicines like cetirizine (Zyrtec) and levocetirizine (Xyzal ... like watery eyes and sneezing, but now the FDA indicates that both drugs have a new risk.

WASHINGTON - The FDA has issued a warning about a rare but severe itching side effect linked to popular allergy medications.

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

The itching, known medically as pruritus, was so bad that affected people described “significant and persistent impact on quality of life and ability to function.” ...

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