1 doctor weighed in:
Does clarinex (desloratadine) work with your first pill, or does it take time to start working?
1 doctor weighed in

Dr. Thomas Shen
Internal Medicine - Allergy & Immunology
In brief: The first time
Time from ingestion to full activity is about 1 to2 hours.
The same dose will act in the same way each time you take it, but may not seem as effective if your exposure to allergen is greater.

In brief: The first time
Time from ingestion to full activity is about 1 to2 hours.
The same dose will act in the same way each time you take it, but may not seem as effective if your exposure to allergen is greater.
Dr. Thomas Shen
Dr. Thomas Shen
Thank
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