Comparing Diphenhydramine / Phenylephrine vs Doxylamine
| Diphenhydramine / phenylephrine | Doxylamine |
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| Diphenhydramine / phenylephrine | Doxylamine |
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Prescription and OTC
Prescribed for Sinusitis, Allergic Rhinitis, Cold Symptoms. Diphenhydramine / phenylephrine may also be used for purposes not listed in this medication guide. |
Prescription and OTC
Prescribed for Insomnia, Allergic Rhinitis, Allergies, Conjunctivitis - Allergic, Nasal Congestion, Rhinorrhea, Upper Respiratory Tract Infection. Doxylamine may also be used for purposes not listed... View more |
Related suggestions Allergic Rhinitis
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| More about Diphenhydramine / phenylephrine | More about Doxylamine | ||||||||
| Ratings & Reviews | |||||||||
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Diphenhydramine / phenylephrine has an average rating of 10.0 out of 10 from a total of 1 ratings on Drugs.com. 100% of reviewers reported a positive effect, while 0% reported a negative effect. |
Doxylamine has an average rating of 6.5 out of 10 from a total of 236 ratings on Drugs.com. 56% of reviewers reported a positive effect, while 29% 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 |
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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 Doxylamine prices |
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| Dosage Forms | |||||||||
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N/A |
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| Brand Names | |||||||||
| Alahist LQ, Aldex-CT, Benadryl Allergy Plus Congestion, Benadryl Children's Allergy Plus Congestion, Benadryl-D Allergy Plus Sinus, Benadryl-D Children's Allergy & Sinus, Children's Triacting Night Time, D-Tann, Delsym Children's Night Time Cough & Cold, Dimetapp Children's Nighttime Cold & Congestion, Dimetapp Nighttime Cold and Congestion, Diphenmax D, Diphentann-D, Dytan-D, PediaCare Nighttime Multi-Symptom Cold, Pediatex-CT, Robitussin Night Time Cough & Cold, Sudafed PE Sinus Congestion Nighttime, Triaminic Night Time Cold & Cough View more | Nighttime Sleepaid, Sleep Aid, Unisom SleepTabs | ||||||||
| Half Life Drug half-life is the time required for plasma concentration to reduce to half its original value. | |||||||||
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9.3 hours |
N/A |
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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 B
No proven risk in humans
See the full pregnancy warnings document. |
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| Drug Interactions | |||||||||
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A total of 577 drugs are known to interact with Diphenhydramine / phenylephrine:
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A total of 319 drugs are known to interact with Doxylamine:
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| Alcohol/Food/Lifestyle Interactions | |||||||||
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| Disease Interactions | |||||||||
| First Approval Date | |||||||||
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N/A |
April 07, 1948 |
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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.