Comparing Codeine vs Promethazine
| Codeine | Promethazine |
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| Codeine | Promethazine |
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Prescription only
Codeine is used to relieve mild-to-moderate pain where treatment with an opioid is appropriate. However, it is addictive, may cause constipation and drowsiness, and its pain-relieving effects vary... View more |
Prescription only
Promethazine may be used to relieve allergy symptoms and nausea. Sedation is the main side effect and it may interact with several other drugs including antidepressants, antipsychotics, and other... View more |
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| More about Codeine | More about Promethazine | ||||||||||||||||
| Ratings & Reviews | |||||||||||||||||
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Codeine has an average rating of 7.8 out of 10 from a total of 71 ratings on Drugs.com. 70% of reviewers reported a positive effect, while 15% reported a negative effect. |
Promethazine has an average rating of 7.2 out of 10 from a total of 393 ratings on Drugs.com. 65% 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 Codeine side effects |
View all Promethazine 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 Codeine prices |
View all Promethazine prices |
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| Dosage Forms | |||||||||||||||||
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| Brand Names | |||||||||||||||||
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N/A |
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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3.5 hours |
16 hours |
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| CSA Schedule 1 View glossary of CSA terms | |||||||||||||||||
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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. |
Not a controlled drug
Is not subject to the Controlled Substances Act. |
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| Pregnancy Category | |||||||||||||||||
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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 | |||||||||||||||||
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A total of 525 drugs are known to interact with Codeine:
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A total of 689 drugs are known to interact with Promethazine:
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| Alcohol/Food/Lifestyle Interactions | |||||||||||||||||
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| Disease Interactions | |||||||||||||||||
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| First Approval Date | |||||||||||||||||
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July 16, 2009 |
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.
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Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.