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Doctor insights on: Allegra Zyrtec Claritin Compare

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What happens if you mix allegra with zyrtec and claritin (loratadine)?

What happens if you mix allegra with zyrtec and claritin (loratadine)?

Allergy meds: Hello. Allergy medication like zyrtec, Allegra and Claritin (loratadine) help with the symptoms of allergy. The dose for an adult is 180 mg for allegra, 10 mg for Claritin (loratadine) and 10 mg for zyrtec. If you take all these meds on the same day, an increase in dryness as well as sedation will likely occur. There are other medications to help with your allergies. See your doctor. ...Read more

Dr. Lois Freisleben-Cook
334 doctors shared insights

Fexofenadine (Definition)

Fexofenadine, previously marketed under the brand name allegra, is an antihistamine similar to ...Read more


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Can you take claritin, (loratadine) allegra and zyrtec at the same time?

Can you take claritin, (loratadine) allegra and zyrtec at the same time?

You shouldn't: All of those medications are in the same class called non-sedating antihistamines. They should not be taken at the same time. ...Read more

Dr. Al Hegab Dr. Hegab
3 doctors agreed:
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Which is stronger Allegra ,Zyrtec or Claritin (loratadine) I know they all treat same thing which one more likely to be Strongest?

Dr. Al Hegab Dr. Hegab
3 doctors agreed:
Which is stronger Allegra ,Zyrtec or Claritin (loratadine) I know they all treat same thing which one more likely to be Strongest?

All r created equal: But one might be more convenient (equal) to a patient than another, as different patients respond differently to different drugs, that's what they call: pharmacogenetics, a relatively new science that can tell how patients would respond to different drugs, bit expensive though to be tried on every medicine, so trial and error would be the way to go for now, good luck ...Read more

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What antihistamine would be comparable to fexofenadine (allegra)? Is Claritin (loratadine) or zyrtec comparable?

What antihistamine would be comparable to fexofenadine (allegra)?  Is Claritin (loratadine) or zyrtec comparable?

All similar: The various antihistamines such as fexofenidine, Claritin (loratadine) and zyrtec are comparable for allergy symptoms. Some people will find that one medication works better for them than another one. ...Read more

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What is the difference, if any, between zyrtec, claritin, (loratadine) or allegra in their effectiveness for springtime allergies?

What is the difference, if any, between zyrtec, claritin, (loratadine) or allegra in their effectiveness for springtime allergies?

Same: Each of the medicines work for some people; others for other people. No one medicine works for everyone all of the time. Sometimes you have to try different ones to see which one works best for you. ...Read more

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I take OTC allergy meds everyday. I heard it can be helpful to switch OTC allergy meds every 3-4 months. Is this true? Zyrtec, Claritin, (loratadine) Allegra?

I take OTC allergy meds everyday. I heard it can be helpful to switch OTC allergy meds every 3-4 months. Is this true? Zyrtec, Claritin, (loratadine) Allegra?

Similar medications: The medications you mentioned have the same mechanism of action. Everyone's body may have a different response to medications. Some studies have indicated that tolerance to antihistamines does not occur however switching to find which works best for you is reasonable. The best medication = the one with lowest side effects and works! Consider saline and nasal steroid spray or allergy testing. ...Read more

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What's the best allergy medicine? Allegra, Claritin (loratadine) or Zyrtec?

What's the best allergy medicine? Allegra, Claritin (loratadine) or Zyrtec?

Depends, somewhat: Pollen chamber study done yrs ago typical: when pollen blown directly into the faces of allergic patients, both measured symptoms and patient complaints show Zyrtec better, faster; Claritin (loratadine) slower, worse. Allegra, a close 2nd. But: FDA felt only Zyrtec was effective enough to advertise for animal allergies (remember the barking dog in the ad?). Note: I'm not affiliated with any of these products. ...Read more

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Why are the mg dosage of antihistamines different? Allegra is 180mg , Claritin (loratadine) is 5mg , and zyrtec is 10mg.

Why are the mg dosage of antihistamines different? Allegra is 180mg , Claritin (loratadine) is 5mg , and zyrtec is 10mg.

Potency: Although the doses are not equal they are equivalent in potency. That is the drugs will have equal efficacy at controlling congestion, runny nose etc. The doses are different because they are different compounds and those compounds are of different weight and size. ...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


Dr. Michael Finkelstein
358 doctors shared insights

Allegra (Definition)

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