Comparing Allegra vs Xyzal
| Allegra (fexofenadine) | Xyzal (levocetirizine) |
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| Allegra (fexofenadine) | Xyzal (levocetirizine) |
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Prescription and OTC
Prescribed for Urticaria, Allergic Rhinitis, Allergies. Allegra may also be used for purposes not listed in this medication guide. |
Prescription only
Prescribed for Urticaria, Allergic Rhinitis, Allergies. Xyzal may also be used for purposes not listed in this medication guide. |
Related suggestions Allergic Rhinitis
Urticaria
Popular comparisons
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| More about Allegra (fexofenadine) | More about Xyzal (levocetirizine) | ||||||||
| Ratings & Reviews | |||||||||
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Allegra has an average rating of 6.9 out of 10 from a total of 96 ratings on Drugs.com. 59% of reviewers reported a positive effect, while 22% reported a negative effect. |
Xyzal has an average rating of 5.4 out of 10 from a total of 286 ratings on Drugs.com. 42% of reviewers reported a positive effect, while 43% reported a negative effect. |
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| Side Effects Experienced by Users Side effects are reported in Drugs.com user reviews and not clinically verified. | |||||||||
View all Allegra side effects |
View all Xyzal side effects |
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| Drug Class | |||||||||
| Generic Availability | |||||||||
| Lower cost generic approved | Lower cost generic approved | ||||||||
| Pricing and Coupons * Prices are without insurance | |||||||||
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We could not find an exact match for this medicine. Try searching the Price Guide directly. |
View all Xyzal prices |
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| Dosage Forms | |||||||||
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N/A |
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| Brand Names | |||||||||
| Other fexofenadine brands include: Allegra Allergy, Allegra Hives, Allegra ODT, Aller-Ease | Other levocetirizine brands include: Xyzal Allergy 24HR | ||||||||
| Half Life Drug half-life is the time required for plasma concentration to reduce to half its original value. | |||||||||
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14 hours |
8 hours |
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| CSA Schedule 1 View glossary of CSA terms | |||||||||
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Not a controlled drug
Is not subject to the Controlled Substances Act. |
Not a controlled drug
Is not subject to the Controlled Substances Act. |
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| Pregnancy Category | |||||||||
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Category C
Risk cannot be ruled out
See the full pregnancy warnings document. |
Category B
No proven risk in humans
See the full pregnancy warnings document. |
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| Drug Interactions | |||||||||
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A total of 113 drugs are known to interact with Allegra:
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A total of 254 drugs are known to interact with Xyzal:
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| Alcohol/Food/Lifestyle Interactions | |||||||||
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| Disease Interactions | |||||||||
| First Approval Date | |||||||||
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July 25, 1996 |
May 25, 2007 |
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| WADA Class View classifications | |||||||||
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N/A |
N/A |
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| More Information | |||||||||
| Patient Resources | |||||||||
| Professional Resources | |||||||||
| Related Treatment Guide | |||||||||
1 The Controlled Substances Act (CSA) schedule information displayed applies to substances regulated under federal law. There may be variations in CSA schedules between individual states.
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Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.