A 29-year-old female asked:
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What's the best allergy medicine? Allegra, Claritin (loratadine) or Zyrtec?

1 doctor answer
Dr. Corey Clay
9 years experience in Allergy and Immunology
All of them: Some patients have a preference related to efficacy, but most patients find they are each helpful and often make decisions based on price. Zyrtec and Allegra are a bit stronger whereas Claritin (loratadine) seems to be active longer. Zyrtec might be slightly more potent with faster onset of effect and it is usually my first suggestion
Answered on Jun 2, 2019

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