Xenical Alternatives Compared
| Xenical (orlistat) | Mounjaro (tirzepatide) | Phentermine |
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| Xenical (orlistat) | Mounjaro (tirzepatide) | Phentermine |
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Prescription only
Prescribed for Weight Loss (Obesity/Overweight). Xenical may also be used for purposes not listed in this medication guide. |
Prescription only
Prescribed for Weight Loss (Obesity/Overweight), Type 2 Diabetes. Mounjaro may also be used for purposes not listed in this medication guide. |
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 |
Related suggestions Weight Loss (Obesity/Overweight)
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| More about Xenical (orlistat) | More about Mounjaro (tirzepatide) | More about Phentermine | ||||||||||||||||||||||||
| Ratings & Reviews | ||||||||||||||||||||||||||
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Xenical has an average rating of 8.4 out of 10 from a total of 124 ratings on Drugs.com. 74% of reviewers reported a positive effect, while 7% reported a negative effect. |
Mounjaro has an average rating of 8.6 out of 10 from a total of 1251 ratings on Drugs.com. 80% of reviewers reported a positive effect, while 6% reported a negative effect. |
Phentermine has an average rating of 8.7 out of 10 from a total of 3015 ratings on Drugs.com. 84% of reviewers reported a positive effect, while 5% 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 Xenical side effects |
View all Mounjaro side effects |
View all Phentermine 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 Xenical prices |
View all Mounjaro prices |
View all Phentermine prices |
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| Dosage Forms | ||||||||||||||||||||||||||
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| Brand Names | ||||||||||||||||||||||||||
| Other orlistat brands include: Alli | Other tirzepatide brands include: Zepbound | Adipex-P, Atti-Plex P, Lomaira | ||||||||||||||||||||||||
| Half Life Drug half-life is the time required for plasma concentration to reduce to half its original value. | ||||||||||||||||||||||||||
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13.5 hours |
120 hours |
20 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. |
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. |
Summary unavailable. 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 145 drugs are known to interact with Xenical:
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A total of 414 drugs are known to interact with Mounjaro:
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A total of 196 drugs are known to interact with Phentermine:
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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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April 23, 1999 |
N/A |
August 14, 1973 |
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| WADA Class View classifications | ||||||||||||||||||||||||||
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N/A |
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.
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.