Comparing Allegra-D 12 Hour vs Allegra-D 24 Hour
| Allegra-D 12 Hour (fexofenadine / pseudoephedrine) | Allegra-D 24 Hour (fexofenadine / pseudoephedrine) |
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| Allegra-D 12 Hour (fexofenadine / pseudoephedrine) | Allegra-D 24 Hour (fexofenadine / pseudoephedrine) |
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Prescription and OTC
Prescribed for Allergic Rhinitis. Allegra-D 12 Hour may also be used for purposes not listed in this medication guide. |
Prescription and OTC
Prescribed for Allergic Rhinitis. Allegra-D 24 Hour may also be used for purposes not listed in this medication guide. |
Related suggestions Allergic Rhinitis
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| More about Allegra-D 12 Hour (fexofenadine / pseudoephedrine) | More about Allegra-D 24 Hour (fexofenadine / pseudoephedrine) | |
| Ratings & Reviews | ||
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Allegra-D 12 Hour has an average rating of 8.1 out of 10 from a total of 13 ratings on Drugs.com. 69% of reviewers reported a positive effect, while 8% reported a negative effect. |
Allegra-D 24 Hour has an average rating of 6.1 out of 10 from a total of 36 ratings on Drugs.com. 53% of reviewers reported a positive effect, while 33% 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. | ||
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View all Allegra-D 12 Hour side effects |
View all Allegra-D 24 Hour side effects |
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| Drug Class | ||
| Generic Availability | ||
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N/A |
N/A |
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| 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. |
We could not find an exact match for this medicine. Try searching the Price Guide directly. |
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| Dosage Forms | ||
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N/A |
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| Brand Names | ||
| Other fexofenadine / pseudoephedrine brands include: Allegra-D 12 Hour Allergy & Congestion, Allegra-D 24 Hour, Allegra-D 24 Hour Allergy & Congestion | Other fexofenadine / pseudoephedrine brands include: Allegra-D 12 Hour, Allegra-D 12 Hour Allergy & Congestion, Allegra-D 24 Hour Allergy & Congestion | |
| Half Life Drug half-life is the time required for plasma concentration to reduce to half its original value. | ||
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14.4 hours |
14.4 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 C
Risk cannot be ruled out
See the full pregnancy warnings document. |
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| Drug Interactions | ||
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A total of 335 drugs are known to interact with Allegra-D 12 Hour:
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A total of 335 drugs are known to interact with Allegra-D 24 Hour:
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| Alcohol/Food/Lifestyle Interactions | ||
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| Disease Interactions | ||
| First Approval Date | ||
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N/A |
N/A |
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| WADA Class View classifications | ||
| 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.
See also:
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.