What's the difference between fexofenadine and cetirizine?

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Tags

1. #several
2. #cetirizine
3. #allegra
4. #longer
5. #fexofenadine
6. #zyrtec
7. #found
8. #studies
9. #appears
10. #rhinitis
11. #effective
12. #urticaria
13. #works
14. #differences
15. #duration
16. #within
17. #hours
18. #other
19. #relieving
20. #action
21. #allergic
22. #symptoms