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 95 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 285 ratings on Drugs.com. 41% 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 111 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.
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.