Personally to me, Allegra is in the middle of Clariten and Zyrtec. I found some relief from it but the I got used to it and had to switch to Zyrtec and then had to also supplement my Zyrtec with Singulair.
Allegra caused no side effects in me.
Moderator-Allergies/Asthma and Alzheimer's, Co-moderator-UC
~Left sided Uc-'92**Unable to tolerate ALL mesalamines**
Colazal(9 daily)/6mp(50mgs)/Bentyl-Prilosec~allergies-Singulair/Zyrtec~Reynauds~OA-Tylonel Arthritis~Scoliosis~Sacroilitis~Dry eye-Restasis~GAD-Klonopin (.25mgs)~Rosacea-Metrogel/Elidel