Comparing Codeine / Guaifenesin vs Promethazine DM
| Codeine / guaifenesin | Promethazine DM (dextromethorphan / promethazine) |
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| Codeine / guaifenesin | Promethazine DM (dextromethorphan / promethazine) |
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Prescription only
Prescribed for Cough. Codeine / guaifenesin may also be used for purposes not listed in this medication guide. |
Prescription only
Prescribed for Cough, Allergic Rhinitis, Cold Symptoms. Promethazine DM may also be used for purposes not listed in this medication guide. |
Related suggestions Popular comparisons
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| More about Codeine / guaifenesin | More about Promethazine DM (dextromethorphan / promethazine) | ||||||||||||||||
| Ratings & Reviews | |||||||||||||||||
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Codeine / guaifenesin has an average rating of 5.6 out of 10 from a total of 87 ratings on Drugs.com. 44% of reviewers reported a positive effect, while 41% reported a negative effect. |
Promethazine DM has an average rating of 5.7 out of 10 from a total of 43 ratings on Drugs.com. 44% of reviewers reported a positive effect, while 40% 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 / guaifenesin side effects |
View all Promethazine DM side effects |
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| Drug Class | |||||||||||||||||
| Generic Availability | |||||||||||||||||
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Lower cost generic |
N/A |
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| Pricing and Coupons * Prices are without insurance | |||||||||||||||||
View all Codeine / guaifenesin prices |
View all Promethazine DM prices |
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| Dosage Forms | |||||||||||||||||
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| Brand Names | |||||||||||||||||
| Allfen CD, Allfen CDX, Bitex Liquid, Brontex, Cheracol with Codeine, Cheratussin AC, Codafen, Codar GF, Dex-Tuss, Diabetic Tussin C, Duraganidin NR, ExeClear-C, Gani-Tuss NR, Glydeine, Guai-Co, Guaiatussin AC, Guaifen AC, Guaifen-C, Guaifenesin AC, Guaitussin AC, Guiatuss AC, Guiatussin with Codeine, M-Clear WC, Mar-cof CG, Mytussin AC, Pro-Clear, Robafen AC, Virtussin A/C View more |
N/A |
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| 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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Multiple
The drug has multiple schedules. The schedule may depend on the exact dosage form or strength of the medication. |
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 524 drugs are known to interact with Codeine / guaifenesin:
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A total of 751 drugs are known to interact with Promethazine DM:
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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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N/A |
February 14, 2006 |
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| WADA Class View classifications | |||||||||||||||||
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N/A |
N/A |
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| More Information | |||||||||||||||||
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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.