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Doctor insights on: How Long Can I Take Claritin

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How long does Claritin (loratadine) take to work?

How long does Claritin (loratadine) take to work?

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: http://www.Ncbi.Nlm.Nih.Gov/pubmed/15176489. ...Read more

Dr. Ashraf Abdel Azeem
506 doctors shared insights

Claritin (Definition)

Claritin is a non-sedating antihistamine which is a kind of antihistamine type drug (common ...Read more


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How long does Claritin (loratadine) d take to work?

How long does Claritin (loratadine) d take to work?

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 begin it's effects in the nasal cavity within 30 minutes. ...Read more

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How long it take for Claritin (loratadine) to work?

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.Ncbi.Nlm.Nih.Gov/pubmed/15176489. ...Read more

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How long should it take for my Claritin (loratadine) to work?

How long should it take for my Claritin (loratadine) to work?

Up to 1 hour: Claritin (loratadine) can work relatively quickly in most people. That is, it usually works within 30 minutes. However, in some people it may take up to 60 minutes to have its full effect. If it is not working within that time, or if the duration of effect becomes less and less, seeing an allergy specialist for allergy testing would be recommended as other treatments may be more effective. ...Read more

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How long does it take childrens Claritin (loratadine) to work?

1-2 weeks: If there are absolutely no improvements in about a week, i tend to switch people over to zyrtec. It can be a little sedating for some, but I have found it to be much more effective than claritin (loratadine). ...Read more

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How long will it take for my Claritin (loratadine) to kick in?

How long will it take for my Claritin (loratadine) to kick in?

About 1.5 hours: Onset of relief of symptoms will take about 1.5 hours for claritin (loratadine). This information can also be found at: http://www.Ncbi.Nlm.Nih.Gov/pubmed/15176489 other studies show that onset could take up to 3 hours. ...Read more

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How long does it take for loratadine to work?

Same day: You should be able to hopefully notice some results withing the same day you take it. ...Read more