Comparing Phenergan vs Versed
Phenergan | Versed |
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Phenergan (promethazine) | Versed (midazolam) |
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Prescription only
Phenergan may be used to relieve allergy symptoms, nausea, or as a sleeping aid. Sedation is the main side effect. Occasionally, paradoxical reactions (the opposite of what is to be expected) may... View more |
Prescription only
Prescribed for Light Sedation, ICU Agitation, Light Anesthesia. Versed may also be used for purposes not listed in this medication guide. |
Related suggestions Light Sedation
Popular comparisons
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More about Phenergan (promethazine) | More about Versed (midazolam) | ||||||||
Ratings & Reviews | |||||||||
Phenergan has an average rating of 7.3 out of 10 from a total of 149 ratings on Drugs.com. 68% of reviewers reported a positive effect, while 22% reported a negative effect. |
Versed has an average rating of 4.1 out of 10 from a total of 77 ratings on Drugs.com. 32% of reviewers reported a positive effect, while 63% reported a negative effect. |
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Drug Class | |||||||||
Side Effects | |||||||||
See also: Phenergan side effects in more detail. |
See also: Versed side effects in more detail. |
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Generic Availability | |||||||||
N/A |
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Pricing and Coupons * Prices are without insurance | |||||||||
View all Phenergan prices |
We could not find an exact match for this medicine. Try searching the Price Guide directly. |
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Dosage Forms Available | |||||||||
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N/A |
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Brand Names | |||||||||
Other promethazine brands include: Adgan, Anergan 50, Antinaus 50, Phenadoz, Promethegan | Other midazolam brands include: Nayzilam, Seizalam | ||||||||
Half Life The half-life of a drug is the time taken for the plasma concentration of a drug to reduce to half its original value. | |||||||||
16 hours |
4 hours |
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CSA Schedule ** View glossary of terms | |||||||||
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 | |||||||||
Category C
Risk cannot be ruled out
See the full pregnancy warnings document. |
Category D
Positive evidence of risk
See the full pregnancy warnings document. |
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Drug Interactions | |||||||||
A total of 689 drugs are known to interact with Phenergan:
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A total of 568 drugs are known to interact with Versed:
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Alcohol/Food/Lifestyle Interactions | |||||||||
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Disease Interactions | |||||||||
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First Approval Date | |||||||||
March 29, 1951 |
October 15, 1998 |
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WADA Class View World Anti-Doping Agency classifications. | |||||||||
N/A |
N/A |
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More Information | |||||||||
Patient resources | |||||||||
Professional Resources | |||||||||
N/A |
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Related Treatment Guide | |||||||||
** 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.