Comparing Compazine vs Phenergan
| Compazine (prochlorperazine) | Phenergan (promethazine) |
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| Compazine (prochlorperazine) | Phenergan (promethazine) |
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Prescription and OTC
Prescribed for Nausea/Vomiting, Anxiety, Psychosis. Compazine may also be used for purposes not listed in this medication guide. |
Prescription only
Phenergan (promethazine) treats allergies, rhinitis, conjunctivitis, nausea, vomiting, and insomnia. The brand is discontinued in the US, but generic versions remain available. Common side effects... View more |
Related suggestions Nausea/Vomiting
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| More about Compazine (prochlorperazine) | More about Phenergan (promethazine) | ||||||||
| Ratings & Reviews | |||||||||
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Compazine has an average rating of 2.2 out of 10 from a total of 298 ratings on Drugs.com. 11% of reviewers reported a positive effect, while 85% reported a negative effect. |
Phenergan has an average rating of 7.4 out of 10 from a total of 154 ratings on Drugs.com. 69% of reviewers reported a positive effect, while 21% 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 Compazine side effects |
View all Phenergan side effects |
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| Drug Class | |||||||||
| Generic Availability | |||||||||
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N/A |
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| Pricing and Coupons * Prices are without insurance | |||||||||
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We could not find an exact match for this medicine. Try searching the Price Guide directly. |
View all Phenergan prices |
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| Dosage Forms | |||||||||
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N/A |
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| Brand Names | |||||||||
| Other prochlorperazine brands include: Compro | Other promethazine brands include: Adgan, Anergan 50, Antinaus 50, Phenadoz, Promethegan | ||||||||
| Half Life Drug half-life is the time required for plasma concentration to reduce to half its original value. | |||||||||
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23 hours |
16 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. |
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| Pregnancy Category | |||||||||
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Category N
Not classified
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 | |||||||||
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A total of 690 drugs are known to interact with Compazine:
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A total of 692 drugs are known to interact with Phenergan:
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| Alcohol/Food/Lifestyle Interactions | |||||||||
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| Disease Interactions | |||||||||
| First Approval Date | |||||||||
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October 23, 1956 |
March 29, 1951 |
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| WADA Class View classifications | |||||||||
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N/A |
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.
See also:
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.