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Doctor insights on: How To Take Claritin

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How long can you take zyrtec (cetirizine)?

Zyrtec (cetirizine) use: Zyrtec (cetirizine) can be taken daily indefinitely, there are no long term side effects from accumulated drug. ...Read more

Dr. Ashraf Abdel Azeem
540 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) 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

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

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 can you take zyrtec?

How long can you take zyrtec?

Depends: on the condition, some would take it for years, but if you need it for long, better run it by tour doctor, best wishes ...Read more

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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 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 do you need to take allegra and Zantac (ranitidine) to treat hives?

How long do you need to take allegra and Zantac (ranitidine) to treat hives?

Hive treatment: Hives can be acute, lasting less than 6 weeks or chronic lasting greater than 6 weeks, (possibly even for years). Antihistamines might control hives but could be needed long-term. Try stopping daily antihistamines once every month for a few days to see if they are still needed. See an allergist to help find the underlying cause if your pcp fails to discover a trigger. ...Read more

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How much zyrtec (cetirizine) can you take?

How much zyrtec (cetirizine) can you take?

Follow Directions: The directions for taking zyrtec (cetirizine) are on the bottle. One should not exceed these dosing recommendations. ...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 much time does it take Claritin (loratadine) to work?

Who knows: Work for what? Claritin supposedly starts working within 90 minutes. But Claritin is also the weakest binding antihistamine sold over the counter. Personally, i feel Claritin is a waste of money. Use a stronger antihistamine like fexofenadine or Cetirizine which cause minimal to no sedation. Use Benadryl (diphenhydramine) only at nighttime because it can make you drowsy. ...Read more

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How long does it take for Benadryl (diphenhydramine) to make you drowsy?

How long does it take for Benadryl (diphenhydramine) to make you drowsy?

About 45 minutes: Benadryl (diphenhydramine) can make some people drowsy. The maximum effect occurs in about 45 minutes or so. However, it can result in hyperalertness in some people. ...Read more

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How often can I take claritin (loratadine)?

How often can I take claritin (loratadine)?

Depends, 1 daily: If you are using Claritin for control of allergic nasal and eye symptoms, one tablet a day is all you need. If you are using Claritin for other medical condition such as chronic hives then your allergist may recommend a higher dose such as twice daily or even 3 times daily. If you are using Claritin more than once a day you should be using the medication under direct allergist supervision. ...Read more

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How long does allegra (fexofenadine) medication take to expire?

How long does allegra (fexofenadine) medication take to expire?

Read the label: There is considerable debate about the accuracy of label expiration dates. However, as a general rule, it is best to adhere to what the label states is the expiration date. This is especially true of liquid medication. ...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 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 does it take for benadryl to take effect?

How long does it take for benadryl to take effect?

Some variables here: IV is faster than oral, but what dose and for what indication (sleep, rash, allergy, etc.) are you questioning please. ...Read more