A 18-year-old male asked:
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how long does it take for claritin-d to work.

1 doctor answer
Dr. Michael Zacharisen
32 years experience Allergy and Immunology
1 to 3 hours: Claritin d is a combination antihistamine [claritin= loratadine] and d= decongestant pseudoephedrine. This product is rapidly absorbed then metabolized to the active product with relief beginning within 1 to 3 hours.
Answered on Dec 4, 2019
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Related questions:

A 43-year-old member asked:
Dr. Franklyn Gergits
28 years experience ENT and Head and Neck Surgery
Claritin (loratadine) D: Hello, this is a complicated answer in that claritin-d is a combination medication. The onset of Claritin is within 3 hours and the pseudofed will beg ... Read More
A 23-year-old female asked:
Dr. John Munshower
29 years experience Family Medicine
Same day: You should be able to hopefully notice some results withing the same day you take it.
2
2 thanks
A 42-year-old member asked:
Dr. Michael Zacharisen
32 years experience Allergy and Immunology
About 1.5 hours: The onset of clinical symptom relief is about 1.5 hours for claritin (loratadine). To read the study that compares this to zyrtec and Allegra go to: ... Read More
1
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A 34-year-old member asked:
Dr. Michael Zacharisen
32 years experience Allergy and Immunology
About 1.5 hours: Onset of clinical relief is about 1 hour for zyrtec and Allegra and about 1.5 hours for claritin (loratadine). To read the study, go to: http://www.N ... Read More
1
1 thank

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