Comparing Singulair vs Theophylline
| Singulair (montelukast) | Theophylline |
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| Singulair (montelukast) | Theophylline |
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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 |
Prescription only
Prescribed for Asthma - Maintenance, Apnea of Prematurity, Asthma, Asthma - acute. Theophylline may also be used for purposes not listed in this medication guide. |
Related suggestions Asthma, Maintenance
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| More about Singulair (montelukast) | More about Theophylline | ||||||||||||||||
| Ratings & Reviews | |||||||||||||||||
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Singulair has an average rating of 6.6 out of 10 from a total of 221 ratings on Drugs.com. 53% of reviewers reported a positive effect, while 30% reported a negative effect. |
Theophylline has an average rating of 7.9 out of 10 from a total of 18 ratings on Drugs.com. 78% of reviewers reported a positive effect, while 17% 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 Singulair side effects |
View all Theophylline side effects |
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| Drug Class | |||||||||||||||||
| Generic Availability | |||||||||||||||||
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Lower cost generic |
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| Pricing and Coupons * Prices are without insurance | |||||||||||||||||
View all Singulair prices |
View all Theophylline prices |
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| Dosage Forms | |||||||||||||||||
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| Brand Names | |||||||||||||||||
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N/A |
Elixophyllin, Theo-24 | ||||||||||||||||
| Half Life Drug half-life is the time required for plasma concentration to reduce to half its original value. | |||||||||||||||||
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5.5 hours |
30 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 B
No proven risk in humans
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 117 drugs are known to interact with Singulair:
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A total of 320 drugs are known to interact with Theophylline:
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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 | |||||||||||||||||
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February 20, 1998 |
October 17, 1947 |
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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.