Phentermine Alternatives Compared
| Phentermine | Wegovy (semaglutide) | Topiramate |
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| Phentermine | Wegovy (semaglutide) | Topiramate |
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Prescription only
Phentermine may be used short-term as an aid to weight loss; however, it can be addictive and tolerance may develop to its weight-losing effects, rendering it less effective with time. Prescribed for... View more |
Prescription only
Prescribed for Weight Loss (Obesity/Overweight), Cardiovascular Risk Reduction. Wegovy may also be used for purposes not listed in this medication guide. |
Prescription only
Topiramate may be prescribed either alone or in combination with other medications for the treatment of certain types of epilepsy, or it may be given for the prevention of migraines. Drowsiness is a... View more |
Related suggestions Weight Loss (Obesity/Overweight)
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| More about Phentermine | More about Wegovy (semaglutide) | More about Topiramate | ||||||||||||||||
| Ratings & Reviews | ||||||||||||||||||
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Phentermine has an average rating of 8.6 out of 10 from a total of 3015 ratings on Drugs.com. 82% of reviewers reported a positive effect, while 5% reported a negative effect. |
Wegovy has an average rating of 7.6 out of 10 from a total of 515 ratings on Drugs.com. 66% of reviewers reported a positive effect, while 14% reported a negative effect. |
Topiramate has an average rating of 6.3 out of 10 from a total of 1337 ratings on Drugs.com. 50% of reviewers reported a positive effect, while 28% 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 Phentermine side effects |
View all Wegovy side effects |
View all Topiramate side effects |
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| Drug Class | ||||||||||||||||||
| Generic Availability | ||||||||||||||||||
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Lower cost generic |
Lower cost generic |
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| Pricing and Coupons * Prices are without insurance | ||||||||||||||||||
View all Phentermine prices |
We could not find an exact match for this medicine. Try searching the Price Guide directly. |
View all Topiramate prices |
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| Dosage Forms | ||||||||||||||||||
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| Brand Names | ||||||||||||||||||
| Adipex-P, Atti-Plex P, Lomaira | Other semaglutide brands include: Ozempic, Rybelsus | Eprontia, Qudexy XR, Topamax, Trokendi XR | ||||||||||||||||
| 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 |
168 hours |
56 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. |
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. |
Category D
Positive evidence of risk
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 Phentermine:
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A total of 274 drugs are known to interact with Wegovy:
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A total of 291 drugs are known to interact with Topiramate:
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| Alcohol/Food/Lifestyle Interactions | ||||||||||||||||||
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| Disease Interactions | ||||||||||||||||||
| First Approval Date | ||||||||||||||||||
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August 14, 1973 |
N/A |
December 24, 1996 |
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| WADA Class View classifications | ||||||||||||||||||
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N/A |
N/A |
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| Related Treatment Guide | ||||||||||||||||||
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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:
Ozempic
Learn about Ozempic (semaglutide) for type 2 diabetes treatment, weight management, cardiovascular ...
Mounjaro
Mounjaro is used for type 2 diabetes to help lower blood sugar levels. Mounjaro has also been shown ...
Wegovy
Wegovy (semaglutide) an FDA-approved weekly injection for weight loss and to reduce heart risks ...
Rybelsus
Rybelsus tablets are used to improve blood sugar control in adults with type 2 diabetes, and may ...
Zepbound
Zepbound (tirzepatide) is an FDA-approved weekly injection for weight loss and obstructive sleep ...
Victoza
Victoza helps control blood sugar levels and reduce the risk of serious heart problems in people ...
Saxenda
Saxenda (liraglutide) injection is used for weight loss in obese or overweight patients. Includes ...
Alli
alli blocks the absorption of some of the fat that you eat and is used to treat obesity. Learn ...
Amphetamine
Amphetamine is a stimulant and is used to trat narcolepsy and attention deficit disorder. Includes ...
Tirzepatide
Tirzepatide is a once-weekly injection used for weight loss, sleep apnea, and type 2 diabetes ...
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.