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Doctor insights on: How Long Does It Take For Claritin To Start Working

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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 it take for claritin-d to work.

How long does it take for claritin-d to work.

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. ...Read more

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How long does it take for Claritin (loratadine) to take effect on hives??

3 days to reach peak: Claritin (loratadine) (loratidine) takes 3 days to reach a steady state, so it could take that long for it to work on hives. Other non-drowsy antihistamines are a better choice: Allegra (fexofenadine) reaches peak effect within 2 hours and Zyrtec (cetirizine) reaches peak effect in 1-2 hours. If you see no benefit at all within 5 hours of taking these, they probably will not work for you. ...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 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 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

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How many weeks does it take for claritin (loratadine) 10mg to work? How long should I give it a try before deciding to switch to a different antihistamine?

How many weeks does it take for claritin (loratadine) 10mg to work? How long should I give it a try before deciding to switch to a different antihistamine?

A few hours: Claritin (loratadine) should start working within a couple of hours. If it doesn't not help at all, then switching to another won't do you much good. If it does help somewhat, then you may try the other alternatives which may possess more antihistamine effect than Claritin (loratadine). ...Read more

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Is 20mg of loratadine safe to take if 10mg is not Working?

Is 20mg of loratadine safe to take if 10mg is not
Working?

Not unsafe: but what are you treating? if it isn't working at the regular dose for whatever problem, you'd better see your doctor, best wishes ...Read more

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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