Comparing Allegra Allergy vs Singulair
Allegra Allergy | Singulair |
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Allegra Allergy (fexofenadine) | Singulair (montelukast) |
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Over-the-counter
Prescribed for Allergic Rhinitis, Allergies. Allegra Allergy may also be used for purposes not listed in this medication guide. |
Prescription only
Singulair is used in addition to other treatments for the maintenance treatment of asthma. It does not relieve acute attacks and may cause neuropsychiatric effects in a small number of people... View more |
Related suggestions Allergic Rhinitis
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More about Allegra Allergy (fexofenadine) | More about Singulair (montelukast) | ||||||||||||||||
Ratings & Reviews | |||||||||||||||||
Allegra Allergy has an average rating of 3.6 out of 10 from a total of 9 ratings on Drugs.com. 22% of reviewers reported a positive effect, while 67% reported a negative effect. |
Singulair has an average rating of 6.5 out of 10 from a total of 219 ratings on Drugs.com. 53% of reviewers reported a positive effect, while 31% reported a negative effect. |
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Drug Class | |||||||||||||||||
Side Effects | |||||||||||||||||
See also: Allegra Allergy side effects in more detail. |
See also: Singulair side effects in more detail. |
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Generic Availability | |||||||||||||||||
Lower cost generic approved | |||||||||||||||||
Pricing and Coupons * Prices are without insurance | |||||||||||||||||
View all Allegra Allergy prices |
View all Singulair prices |
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Dosage Forms Available | |||||||||||||||||
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Brand Names | |||||||||||||||||
Other fexofenadine brands include: Allegra, Allegra Hives, Allegra ODT, Aller-Ease |
N/A |
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Half Life The half-life of a drug is the time taken for the plasma concentration of a drug to reduce to half its original value. | |||||||||||||||||
14 hours |
5.5 hours |
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CSA Schedule ** View glossary of 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 111 drugs are known to interact with Allegra Allergy:
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A total of 111 drugs are known to interact with Singulair:
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Alcohol/Food/Lifestyle Interactions | |||||||||||||||||
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No known alcohol/food interactions. This does not necessarily mean no interactions exist. Always consult your healthcare provider. |
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Disease Interactions | |||||||||||||||||
First Approval Date | |||||||||||||||||
February 25, 2000 |
February 20, 1998 |
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WADA Class View World Anti-Doping Agency classifications. | |||||||||||||||||
N/A |
N/A |
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More Information | |||||||||||||||||
Patient resources | |||||||||||||||||
Professional Resources | |||||||||||||||||
Related Treatment Guide | |||||||||||||||||
** 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.