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Doctor insights on: Allegra Vs Claritin

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Zyrtec vs cetirizine?

Zyrtec vs cetirizine?

Same and different: Both one and same thing antihitamine once a day pill generic vs no generic, both over the counter. Should be taken at night as it can make you sleepy. Try not to take every day every pill has side effects. ...Read more

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Dr. Gerald Mandell
360 doctors shared insights

Fexofenadine (Definition)

Fexofenadine is an antihistamine which is used to treat allergies such as hayfever, and hives. It can be taken once or twice a day. It is a second generation antihistamine and does not cause as much drowsiness as other antihistamines such as Diphenhydramine (benaryl) or chlorpheniramine. Always be careful about drowsiness with any antihistamine especially if driving ...Read more


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Difference between polaramine, zyrtec and claritin (loratadine)?

Difference between polaramine, zyrtec and claritin (loratadine)?

Antihistamine: Benadryl, (diphenhydramine) polaramine, chlortrimeton etc., are old time antihistamines used for runny nose, sneezing, itching, and other allergies. They are very effective but can cause drowsiness and should be avoided in day time. Carefully read all the side effects. Zyrtec , Claritin & Allegra are newer antihistamines, with lot less drowsiness or other side effects. They work fairly well for most people. ...Read more

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Allegra (fexofenadine) vs allegra (fexofenadine) d: what is the difference?

Allegra (fexofenadine) vs allegra (fexofenadine) d: what is the difference?

Allegra (fexofenadine) vs Allegra (fexofenadine) D: Hello, Allegra (fexofenadine) is an antihistamine that helps with an allergic disorder. Allegra (fexofenadine) d is the same medication with an added decongestant. This medication will help you resolve your congestion. ...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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Claritin versus Benadryl (diphenhydramine) for kids?

Claritin versus Benadryl (diphenhydramine) for kids?

Work differently: Claritin in a non-drowsy antihistamine. It doesn't cause sleepiness, but you need to use it every day for it to work really well. It's lousy for severe allergic reactions because it takes days to be fully effective. Benadryl (diphenhydramine) causes drowsiness and only lasts for six hours, but is great for severe allergic reactions and works very quickly. If you're exposed and need help now, Benadryl (diphenhydramine) is better. ...Read more

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Which is best zyrtec allegra (fexofenadine) claranex?

Which is best zyrtec allegra (fexofenadine) claranex?

Depends: All 3 of the mentioned new generation antihistamines (zyrtec, allegra, (fexofenadine) clarinex) are effective for treating allergic rhinitis and hives. What's interesting is that each individual person may respond better to one over the other. While every allergist probably has his/her favorite, truth is...They all work. If not happy with one, try a different one! ...Read more

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Is Claritin (loratadine) same as benedryl?

Is Claritin (loratadine) same as benedryl?

Not exactly: Benadryl (diphenhydramine) is diphenydramine, an old first generation antihistamines that lasts about 6 hours and can cause drowsiness and other side effects. Claritin (loratadine) is a new generation antihistamine that can last 24 hours and has less side effects. At this time, there is no real advantage to benadryl, (diphenhydramine) unless a person also wants some sleep.... ...Read more

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Which is better allegra or claritin (loratadine)?

Allegra (fexofenadine): There is more evidence that Allegra is effective. Claritin (loratadine) is really only marginally effective. ...Read more

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Which one better for sinus infection? Claritin, (loratadine) allegra, zyrtec

Which one better for sinus infection? Claritin, (loratadine) allegra, zyrtec

None of these: These medications are antihistamines which counter the affects of allergies. They are not antibiotics which are typically prescribed for sinus infections. Decongestants and sinus rinses may help with the symptoms associated with the sinus infection, but these antihistamine medications, in my experience, do little for this condition. ...Read more

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Xyzal (levocetirizine) the same as zyrtec?

Xyzal (levocetirizine) the same as zyrtec?

Close: Xyzal (levocetirizine) (levo-cetirizine) is the r-isomer, of zyrtec (cetirizine). Medications are usually a combination of r + s (called racemic). Typically only the r side contributes to the clinically meaningful action of the drug. So, the companies have been able to separate the active r side from the inactive s- side. This means it may be as or more effective at half the dose. ...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?

Same effects: These three medications do the same thing and are not supposed to make you drowsy, however, Zyrtec seems to work somewhat better than Allegra and Claritin. I would say Claritin is the least effective out of these three medications. ...Read more

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Is Claritin comparable to benadryl (diphenhydramine)?

Is Claritin comparable to benadryl (diphenhydramine)?

Both AH: Both act in similar fashion except that Benadryl (diphenhydramine) causes drowsiness and dry mouth in a much higher percentage of people and it works for just a few hours vs claritin's nearly 24 hours duration of action. ...Read more

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Benadryl (diphenhydramine) vs. Claritin. Which one is better?

Depends on reason: Both are antihistamines, both are effective for allergies. Benadryl (diphenhydramine) may be more potent and work better in some individuals, but causes much more sleepiness and the effects wear off more quickly than with claritin. ...Read more

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Zyrtec or allegra (fexofenadine) for hives: which is the better antihistamine?

Zyrtec or allegra (fexofenadine) for hives: which is the better antihistamine?

Zyrtec (cetirizine): Which drug is better fora specific patient cannot be predicted. I generally try zyrtec first because it does cannot claim not sedating. A little sedation helps alleve itching. Allegra, (fexofenadine) claritn, and Clarinex are allowed to claim no sedation. ...Read more

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Which is better for allergies zyrtec or claritin (loratadine)?

Zyrtec (cetirizine): Zyrtec (cetirizine) has more anti-allergy or anti-inflamatory effects than clariten (loratidine) and is often better for most allergic symptoms. It does cause drowsiness in some patients. Antihistamines work best when taken at bedtime if you are taking them on a daily basis - as in a pollen allergy or allergy to a pet that lives in your house. ...Read more

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Chlorpheniramine maleate or allegra (fexofenadine) which is safer?

Both: Antihistamines are extremely safe. Any antihistamine can cause drowsiness, but second-generation antihistamines are much less likely to do so. Drowsiness with chlorpheniramine is the biggest side effect to watch for, between these two meds. ...Read more

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What is the best OTC antihistamine for eczema? Claritin, (loratadine) allegra or zyrtec?

What is the best OTC antihistamine for eczema? Claritin, (loratadine) allegra or zyrtec?

NONE: No antihistamine helps eczema. Antihistamines are useful for histamine- driven conditions: urticarias. Hives. Antihistamines relieve itch if there is urticaria, but not eczema. ...Read more

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What is better antihistamine Cetirizine or Fexofenadine?

What is better antihistamine Cetirizine or Fexofenadine?

I like Cetirizine: My personal preference is Zyrtec (cetirizine) however both have similar effects. Allegra (fexofenadine) could be considered the least sedating out of all the OTC antihistamines. ...Read more

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Dr. Ashraf Abdel Azeem
539 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
383 doctors shared insights

Allegra (Definition)

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