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A member asked:

Allergy dr ordered allergy bloodtests, i take zyrtec, allegra, (fexofenadine) singular for chronic urticaria each day. he said these will not affect the tests, true?

A doctor has provided 1 answer
Dr. Al Hegab answered

Specializes in Allergy and Immunology

True: Blood tests won't be affected with the drugs you are on, only skin allergy tests would be, goodluck

Dr Oleary agreed

Answered 5/13/2020

1.4k views

Thank

Related Questions

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I read on the internet that it is often more effective to alternate days taking zyrtec and allegra, (fexofenadine) than just one drug alone. Is that true? -allergies

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I have very bad allergies. Allegra (fexofenadine) 180 use to work but it wears off fast. Zyrtec doesn't do anything what should I do. Always congested & feeling bad?

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Are there any new, more effective allergy meds than zyrtec, claratin, allegra (fexofenadine)...etc.?

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Zyrtec or allegra (fexofenadine) for hives: which is the better antihistamine?

3 doctors weighed in across 2 answers

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