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 issued this month.

The FDA has identified over 200 global cases of severe itching, or pruritus, occurring in patients who stopped long-term use ...

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Current biologics have to be given every two or four weeks, so a drug that can be given just twice a year would be a step up in patient convenience The SWIFT-1 and SWIFT-2 trials compared ...