Comparing Endal vs Promethazine
| Endal (guaifenesin / phenylephrine) | Promethazine |
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| Endal (guaifenesin / phenylephrine) | Promethazine |
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Prescription and OTC
Prescribed for Cough and Nasal Congestion, Sinus Symptoms. Endal may also be used for purposes not listed in this medication guide. |
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 (guaifenesin / phenylephrine) | More about Promethazine | ||||||||
| Ratings & Reviews | |||||||||
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Be the first to share your experience with this drug. |
Promethazine has an average rating of 7.3 out of 10 from a total of 397 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. | |||||||||
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View all Endal side effects |
View all Promethazine side effects |
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| Drug Class | |||||||||
| Generic Availability | |||||||||
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N/A |
Lower cost generic |
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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 Promethazine prices |
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| Dosage Forms | |||||||||
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N/A |
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| Brand Names | |||||||||
| Other guaifenesin / phenylephrine brands include: Aldex, Aldex G, Ambi 40/1000, Amidal, Amitex LA, Aquatab D, Chemdal, Chest Congestion Relief PE, Crantex, Crantex ER, Crantex LA Capsules, Crantex LA Tablets, D-Phen 1000, D-Tab, Deconex, Deconex IR, Deconsal II, Deconsal Pediatric, Despec, Donatussin Drops, Duomax, Duraphen 1000, Duraphen II, Duratuss, Duratuss GP, Duratuss PE, Duravent PE, Dynex LA, ED Bron GP, Efasin, Entex ER, Entex LA, Entex LQ, ExeTuss, ExeTuss-GP, Extendryl G, Fenesin PE IR, Gentex LA, Gilphex TR, Giltuss Sinus & Chest Congestion, Guaifed Caps, Guaifed PD, Guaifen PE, Guaiphen-D 1200, Guaiphen-D 600, Guaiphen-PD, Guaphenyl LA, Guiadex PD, Guiatex PE, Miraphen PE, Mucinex Children's Stuffy Nose & Cold, Mucus Relief PE, Mucus Relief Sinus, Nariz, Nu-COPD, Prolex D, Refenesen Chest Congestion Relief PE, Reluri, Rescon-GG, Supress-PE, Triaminic Chest & Nasal Congestion, Xedec II, Xpect-PE, Zotex-GP View more | 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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N/A |
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 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 201 drugs are known to interact with Endal:
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A total of 690 drugs are known to interact with Promethazine:
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| Alcohol/Food/Lifestyle Interactions | |||||||||
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No known alcohol/food interactions. This does not necessarily mean no interactions exist. Always consult your healthcare provider. |
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| Disease Interactions | |||||||||
| First Approval Date | |||||||||
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N/A |
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 | |||||||||
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N/A |
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| 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.
See also:
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.