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A member asked:
Would taking zyrtec, allegra (fexofenadine) and montelukast effect my blood work at a lab? i have an appointment soon and would like to know b4 i begin medication
A doctor has provided 1 answer
No: The antihistamines zyrtec and Allegra (fexofenadine) and leukotriene modifier montelukast do not effect blood tests.
Answered 6/24/2014
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