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 5.8 out of 10 from a total of 44 ratings on Drugs.com. 45% of reviewers reported a positive effect, while 39% 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 525 drugs are known to interact with Codeine / guaifenesin:
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A total of 752 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 | |||||||||||||||||
| Patient Resources | |||||||||||||||||
| Professional Resources | |||||||||||||||||
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N/A |
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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.
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Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.