Comparing Qsymia vs Zepbound
| Qsymia (phentermine / topiramate) | Zepbound (tirzepatide) |
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| Qsymia (phentermine / topiramate) | Zepbound (tirzepatide) |
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Prescription only
Prescribed for Weight Loss (Obesity/Overweight). Qsymia may also be used for purposes not listed in this medication guide. |
Prescription only
Prescribed for Weight Loss (Obesity/Overweight), Obstructive Sleep Apnea/Hypopnea Syndrome. Zepbound 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 Qsymia (phentermine / topiramate) | More about Zepbound (tirzepatide) | ||||||||||||||||
| Ratings & Reviews | |||||||||||||||||
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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. |
Zepbound has an average rating of 8.8 out of 10 from a total of 407 ratings on Drugs.com. 83% of reviewers reported a positive effect, while 1% 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 Qsymia side effects |
View all Zepbound side effects |
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| Generic Availability | |||||||||||||||||
| Pricing and Coupons * Prices are without insurance | |||||||||||||||||
View all Qsymia prices |
View all Zepbound prices |
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| Dosage Forms | |||||||||||||||||
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| Brand Names | |||||||||||||||||
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N/A |
Other tirzepatide brands include: Mounjaro | ||||||||||||||||
| Half Life Drug half-life is the time required for plasma concentration to reduce to half its original value. | |||||||||||||||||
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65 hours |
120 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. |
Not a controlled drug
Is not subject to the Controlled Substances Act. |
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| Pregnancy Category | |||||||||||||||||
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Category X
Not for use in pregnancy
See the full pregnancy warnings document. |
Summary unavailable. See the full pregnancy warnings document. |
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| Drug Interactions | |||||||||||||||||
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A total of 417 drugs are known to interact with Qsymia:
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A total of 416 drugs are known to interact with Zepbound:
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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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July 17, 2012 |
N/A |
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| WADA Class View classifications | |||||||||||||||||
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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.