Comparing Adipex-P vs Qsymia
| Adipex-P (phentermine) | Qsymia (phentermine / topiramate) |
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| Adipex-P (phentermine) | Qsymia (phentermine / topiramate) |
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Prescription only
Prescribed for Weight Loss (Obesity/Overweight). Adipex-P may also be used for purposes not listed in this medication guide. |
Prescription only
Prescribed for Weight Loss (Obesity/Overweight). Qsymia may also be used for purposes not listed in this medication guide. |
Related suggestions Weight Loss (Obesity/Overweight)
Popular comparisons
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| More about Adipex-P (phentermine) | More about Qsymia (phentermine / topiramate) | ||||||||||||||||
| Ratings & Reviews | |||||||||||||||||
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Adipex-P has an average rating of 8.9 out of 10 from a total of 609 ratings on Drugs.com. 86% of reviewers reported a positive effect, while 3% reported a negative effect. |
Qsymia has an average rating of 7.6 out of 10 from a total of 567 ratings on Drugs.com. 70% of reviewers reported a positive effect, while 15% 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 Adipex-P side effects |
View all Qsymia side effects |
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| Drug Class | |||||||||||||||||
| Generic Availability | |||||||||||||||||
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N/A |
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| Pricing and Coupons * Prices are without insurance | |||||||||||||||||
View all Adipex-P prices |
View all Qsymia prices |
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| Dosage Forms | |||||||||||||||||
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| Brand Names | |||||||||||||||||
| Other phentermine brands include: Atti-Plex P, Lomaira |
N/A |
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| Half Life Drug half-life is the time required for plasma concentration to reduce to half its original value. | |||||||||||||||||
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20 hours |
65 hours |
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| CSA Schedule 1 View glossary of CSA terms | |||||||||||||||||
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Some potential for abuse
Has a low potential for abuse relative to those in schedule 3. It has a currently accepted medical use in treatment in the United States. Abuse may lead to limited physical dependence or psychological dependence relative to those in schedule 3. |
Some potential for abuse
Has a low potential for abuse relative to those in schedule 3. It has a currently accepted medical use in treatment in the United States. Abuse may lead to limited physical dependence or psychological dependence relative to those in schedule 3. |
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| Pregnancy Category | |||||||||||||||||
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Category X
Not for use in pregnancy
See the full pregnancy warnings document. |
Category X
Not for use in pregnancy
See the full pregnancy warnings document. |
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| Drug Interactions | |||||||||||||||||
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A total of 196 drugs are known to interact with Adipex-P:
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A total of 417 drugs are known to interact with Qsymia:
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| Alcohol/Food/Lifestyle Interactions | |||||||||||||||||
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| Disease Interactions | |||||||||||||||||
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| First Approval Date | |||||||||||||||||
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October 22, 1980 |
July 17, 2012 |
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| WADA Class View classifications | |||||||||||||||||
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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.
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.