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A member asked:
Can one become addicted to or dependant upon zrytec? can zyrtec (cetirizine) lose its efficacy with prolonged use, if so please provide an alternative. thanks!
A doctor has provided 1 answer
Yes: Long term (years) use of antihistamine can cause them to work less effectively. Usually, however, switching to a different type of antihistamine for a few months will allow you to return back.
Answered 5/16/2016
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