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Doctor insights on: Allegra D Vs Zyrtec D Vs Claritin D

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Too tired to drive. I've been looking at allegra-d and zyrtec-d. Which one would you recommend?

Too tired to drive. I've been looking at allegra-d and zyrtec-d. Which one would you recommend?

Allegra (fexofenadine) 180 mg: Zyrtec may cause drowsiness. Allegra (fexofenadine) does not cross into the brain and should not cause drowsiness. The "d" component is a decongestant and may cause insomnia, decreased appetite, high blood pressure and in men - urinary difficulties due to prostate issues so I do not prefer the Allegra (fexofenadine)-D products. Visit my website at www.Kleinallergy.Com for more info. ...Read more

Dr. Thomas Fiala
356 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 d and Allegra d together?

Can you take Claritin d and Allegra d together?

No: Because the additive doses of the d in both compounds may be too much for your heart or emotion. ...Read more

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What can cause shortness of breath, when albuterol doesn't work, these are real physical symptoms not anxiety. Have tried albuterol, corticosteroids, allegra-d, nexium, prozac, muscle relaxers, and claritin-d.Have seen doctors and specialists inluding pul

What can cause shortness of breath, when albuterol doesn't work, these are real physical symptoms not anxiety. Have tried albuterol, corticosteroids, allegra-d, nexium, prozac, muscle relaxers, and claritin-d.Have seen doctors and specialists inluding pul

Well : Well presence of allergies, hyper inflated lungs on cxr and dyspnea suggest asthma. You can have normal pfts (pulmonary function tests) ad still have asthma.I am not sure you have been tried on but usually you need blood test or skin test for allergies and a total ige level ( blood test). You could try inhalers on regular basis for example advair or Dulera (formoterol and mometasone) on twice a day basis and see if this will help you symptomatically. Some times treatment of asthma can become difficult and will need some patience at your and your doctors end. Hope this helps. ...Read more

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Is it safe to take Claritin d Zyrtec and Flonase in the same day?

Is it safe to take Claritin d Zyrtec and Flonase in the same day?

Yes, but: Why zyrtec if you already took claritin d ? If you feel symptoms aren't controlled you need to revisit your doctor, all the best ...Read more

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Can Zyrtec be used as prophylactic therapy like Claritin (loratadine)? I never respond well to claritin (loratadine). I feel it doesn't prevent much and I wind up on Zyrtec d.

Yes: it is not prophylactic, rather controller, but you used Zyrtec d, which has a decongestant, that's maybe why you felt the difference, which I believe would be the same if you used Claritin (loratadine) D, at any rate different drugs work differently with different people, ...Read more

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Can i take Claritin (loratadine) d after taking allegra d?

No: Both have pseudoepinedrine in them and too much could cause your blood pressure to increase, your heart to race and would make you jittery. ...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 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

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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

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I have very bad seasonal allergies. I have tried everything, Zyrtec, Claritin (loratadine) and Allegra. Nothing works, what can I take?

I have very bad seasonal allergies. I have tried everything, Zyrtec, Claritin (loratadine) and Allegra. Nothing works, what can I take?

See an allergist: If none of these OTC meds worked, unlikely that anything else will, you need to be evaluated, good history and physical examination. See your doctor first for initial evaluation, who would refer you or check aaaai.org or acaai.org for an allergist in your area, best wishes ...Read more

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Have taken allegra, claritin, (loratadine) and zyrtec to help with my allergies this season. None of them have relieved my symptoms. Any other OTC for relief?

Have taken allegra, claritin, (loratadine) and zyrtec to help with my allergies this season. None of them have relieved my symptoms. Any other OTC for relief?

Nasalcrom (cromolyn): Over the counter options include Nasalcrom nasal spray . Some people find neil med sinus rinses are helpful as well. Others find that Allegra d or zyrtec d pills can help. If these do not help see your doctor to get some prescription nose sprays ...Read more

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Hi i took the regular Claritin (loratadine) this morning and my nose is very congested can i take the allegra d now or should i wait until the morning?

Hi i took the regular Claritin (loratadine) this morning and my nose is very congested can i take the allegra d now or should i wait until the morning?

Yes: You can, unless contraindicated to take a decongestant, but don't do that frequently (combine antihistamines). The decongestant might affect your sleep. Keep using the saline nasal washes though, if not better in few days , better see your doctor, good luck ...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
4 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
4 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

Dr. Ashraf Abdel Azeem
525 doctors shared insights

Claritin (Definition)

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


Dr. John Chiu
563 doctors shared insights

Cetirizine (Definition)

Ceftirizine is the generic name of an antihistamine previously marketed under the ...Read more