Comparing Allegra vs Xyzal Allergy 24HR
Allegra (fexofenadine) | Xyzal Allergy 24HR (levocetirizine) |
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Allegra (fexofenadine) | Xyzal Allergy 24HR (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. |
Over-the-counter
Prescribed for Allergic Rhinitis, Allergies. Xyzal Allergy 24HR may also be used for purposes not listed in this medication guide. |
Related suggestions Allergic Rhinitis
Allergies
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More about Allegra (fexofenadine) | More about (levocetirizine) | |
Ratings & Reviews | ||
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 Allergy 24HR has an average rating of 8.0 out of 10 from a total of 1 ratings on Drugs.com. 100% of reviewers reported a positive effect, while 0% 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 Allergy 24HR 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 | ||
We could not find an exact match for this medicine. Try searching the Price Guide directly. |
We could not find an exact match for this medicine. Try searching the Price Guide directly. |
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Dosage Forms | ||
N/A |
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 | |
Half Life Drug half-life is the time required for plasma concentration to reduce to half its original value. | ||
14 hours |
8 hours |
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CSA Schedule 1 View glossary of CSA terms | ||
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 | ||
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 | ||
A total of 115 drugs are known to interact with Allegra:
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A total of 254 drugs are known to interact with Xyzal Allergy 24HR:
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Alcohol/Food/Lifestyle Interactions | ||
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Disease Interactions | ||
First Approval Date | ||
July 25, 1996 |
N/A |
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WADA Class View classifications | ||
N/A |
N/A |
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More Information | ||
Patient Resources | ||
N/A |
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Professional Resources | ||
N/A |
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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.
See also:
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.