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Allegra and Itching: What Users Say

Itching: mentioned by 8 users (8.4%)

Based on user experiences from 95 Allegra reviews, the following table shows the most commonly mentioned side effects.

All user comments are moderated by Drugs.com. Each review is verified for relevance and screened for inappropriate content. Side effects are user-reported and not clinically verified.

drowsiness 13.7%
itching 8.4%
dizziness 4.2%
nausea 4.2%
headaches 3.2%
rash 3.2%
runny nose 3.2%
sore throat 3.2%
weakness 3.2%

Reviews for Allegra

Commonly mentioned side effects
  • Rak...
  • Taken for 2 to 5 years
  • August 11, 2017

For Urticaria "I am 47 years old, and I have been suffering from urticaria since 2014. After lots of treatment, now I am taking Allegra 180 mg twice a day... but only when I take Allegra does my itching reduce (does not completely vanish), but when I don't take it, it again erupts. Is there no permanent treatment for it? How long can one take medicine?"

2 / 10
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  • Joh...
  • April 1, 2015

For Urticaria "Had chronic urticaria 3 years ago, tried everything from Benadryl, Zyrtec, Claritin and nothing worked. Took Allegra 24 hour and 70% of my hives have disappeared, leaving me less itchy. Wish I would've found out about this site earlier to do my research. This is my first day on the medication, hopefully it will go away after this week."

9 / 10
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59 Report
  • rob...
  • April 20, 2015

For Urticaria "I suffered from chronic itch all my life, tried almost every other antihistamine to the point I had to start with prednisone every 3 months for a week to get rid of the itch over my whole body, eyes running, nose. I would have such severe itch that I just could not function normally, got 4 hours or less sleep a day. I now use this medicine for 2 days now, after one hour I took the medicine, I felt my eyes not itching and my skin feels much better to the point it's livable. Now I hope this will keep working even after some time because all previous medication would only work a few days a week, tops, so if this will continue to work, I can finally start my life. I'm 22 years old, and I finally have new hope now. Thank you, fexofenadine!"

10 / 10
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46 Report

Frequently asked questions

  • Son...
  • July 20, 2018

For Urticaria "Been battling urticaria for 5 years and taking cetirizine, hydroxyzine, and Zantac. Constant itching. Don't know why. Never completely goes away unless I take prednisone, which I normally don't use, but I will take for about a week to get some relief from the constant itching. I try, not very successfully, to not scratch the itchy hives, which I hate with a passion. Because of the favorable remarks about Allegra, I'm going to use this medication. I've also been treated with light therapy, which has worked quite well in temporarily clearing up my skin."

6 / 10
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32 Report
  • Son...
  • July 20, 2018

For Urticaria "Been battling urticaria for 5 years and taking cetirizine, hydroxyzine, and Zantac. Constant itching. Don't know why. Never completely goes away unless I take prednisone, which I normally don't use, but I will take for about a week to get some relief from the constant itching. I try, not very successfully, to not scratch the itchy hives, which I hate with a passion. Because of the favorable remarks about Allegra, I'm going to use this medication. I've also been treated with light therapy, which has worked quite well in temporarily clearing up my skin."

6 / 10
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32 Report

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  • Ros...
  • February 1, 2017

For Allergic Rhinitis "Day two... I have taken 2 gel caps, and it has not helped. Itchy roof of mouth. Unable to breathe through my nose, it is completely stopped up. Symptoms are worse than yesterday. Eyes are red, itchy, and teary. I cannot sleep. I do not recommend."

1 / 10
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19 Report
  • Mot...
  • Taken for 1 to 2 years
  • September 15, 2014

For Allergic Rhinitis "My 2-year-old had been suffering from indoor and outdoor allergies since she was 9 months old. We found Allegra suspension, and it works quite well along with her taking Singulair. If she misses a few doses, we can tell; her eyes itch and she gets congested. Just started to find the suspension in a larger bottle, so this keeps us from running out. Thanks!"

10 / 10
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  • Joh...
  • April 12, 2012

For Allergic Rhinitis "Allegra does not help my hay fever. I still have a runny nose, itchy throat, and itchy eyes."

1 / 10
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30 Report

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Reviews may be edited to correct grammar/spelling or remove inappropriate content. Reviews appearing to come from parties with a vested interest are not published. This information is not intended to endorse any medication and should not replace the expertise and judgment of healthcare professionals.