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A member asked:
Been getting brain zaps after 1 week on allegra (fexofenadine). had the same on flonase. is this something to be concerned about?
A doctor has provided 1 answer
"Zaps"?Not sure, but: if you are worried about side effects, I can't connect the two; they are completely different medications. Allegra (fexofenadine) does not cross into the brain, even at 2-3x recommended doses; unlike other antihistamines, FAA allows flying a plane while on Allegra (fexofenadine). Flonase can cause side effects, but many other things would happen before a brain issue. Better check with your doctor.
Answered 6/30/2017
2.6k views
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