Comparing Demerol vs Fentanyl
Demerol (meperidine) | Fentanyl |
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Demerol (meperidine) | Fentanyl |
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Prescription only
Prescribed for Pain, Light Sedation. Demerol may also be used for purposes not listed in this medication guide. |
Prescription only
Fentanyl is a very potent pain-relieving medicine. It is not recommended for people who have never been prescribed opioid-type pain relief before, and deaths have been reported from improper dosing... View more |
Related suggestions |
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More about Demerol (meperidine) | More about Fentanyl | ||||||||||||||||
Ratings & Reviews | |||||||||||||||||
Demerol has an average rating of 9.3 out of 10 from a total of 76 ratings on Drugs.com. 93% of reviewers reported a positive effect, while 4% reported a negative effect. |
Fentanyl has an average rating of 7.8 out of 10 from a total of 432 ratings on Drugs.com. 72% of reviewers reported a positive effect, while 11% 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 Demerol side effects |
View all Fentanyl side effects |
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Drug Class | |||||||||||||||||
Generic Availability | |||||||||||||||||
Lower cost generic |
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Pricing and Coupons * Prices are without insurance | |||||||||||||||||
View all Demerol prices |
View all Fentanyl prices |
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Dosage Forms | |||||||||||||||||
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Brand Names | |||||||||||||||||
Other meperidine brands include: Meperitab | Actiq, Duragesic, Fentanyl Transdermal System, Fentora, Lazanda, Subsys | ||||||||||||||||
Half Life Drug half-life is the time required for plasma concentration to reduce to half its original value. | |||||||||||||||||
39 hours |
8.7 hours |
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CSA Schedule 1 View glossary of CSA terms | |||||||||||||||||
High potential for abuse
Has a high potential for abuse. Has a currently accepted medical use in treatment in the United States or a currently accepted medical use with severe restrictions. Abuse may lead to severe psychological or physical dependence. |
High potential for abuse
Has a high potential for abuse. Has a currently accepted medical use in treatment in the United States or a currently accepted medical use with severe restrictions. Abuse may lead to severe psychological or physical dependence. |
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Pregnancy Category | |||||||||||||||||
Category C
Risk cannot be ruled out
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 | |||||||||||||||||
A total of 476 drugs are known to interact with Demerol:
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A total of 633 drugs are known to interact with Fentanyl:
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Alcohol/Food/Lifestyle Interactions | |||||||||||||||||
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Disease Interactions | |||||||||||||||||
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First Approval Date | |||||||||||||||||
November 10, 1942 |
February 19, 1968 |
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WADA Class View classifications | |||||||||||||||||
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.
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.