The U.S. Food and Drug Administration has issued a warning about a rare but severe reaction when people stop taking two popular over-the-counter allergy medications.

Taking medication for an allergic reaction? You might face severely itchy skin as a side effect of Zyrtec or Xyzal, according to a recent FDA warning for long-term users. Here's what you need to know.

(NEXSTAR) – 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 ...

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WHITE OAK, M.D (NewsNation Now) — The FDA has increased their warning on the popular allergy and asthma medicine Singulair, that also goes by the generic name Montelukast. The FDA says the drug ...

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The U.S. Food and Drug Administration is announcing a warning about a rare but severe reaction that can happen to people who stop taking oral allergy medicines like Zyrtec or Xyzal.