Comparing Doxylamine vs Promethazine
| Doxylamine | Promethazine |
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| Doxylamine | Promethazine |
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Prescription and OTC
Prescribed for Insomnia, Allergies, Conjunctivitis - Allergic, Allergic Rhinitis, Nasal Congestion, Rhinorrhea, Upper Respiratory Tract Infection. Doxylamine may also be used for purposes not listed... 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 |
Related suggestions Allergic Rhinitis
Allergies
Popular comparisons
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| More about Doxylamine | More about Promethazine | ||||||||
| Ratings & Reviews | |||||||||
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Doxylamine has an average rating of 6.5 out of 10 from a total of 238 ratings on Drugs.com. 55% of reviewers reported a positive effect, while 29% reported a negative effect. |
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. | |||||||||
View all Doxylamine 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 Doxylamine prices |
We could not find an exact match for this medicine. Try searching the Price Guide directly. |
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| Dosage Forms | |||||||||
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| Brand Names | |||||||||
| Nighttime Sleepaid, Sleep Aid, Unisom SleepTabs | 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 B
No proven risk in humans
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 319 drugs are known to interact with Doxylamine:
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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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| Disease Interactions | |||||||||
| First Approval Date | |||||||||
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April 07, 1948 |
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.