Comparing Diphenhydramine / Phenylephrine vs Doxylamine
| Diphenhydramine / phenylephrine | Doxylamine |
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| Diphenhydramine / phenylephrine | Doxylamine |
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Prescription and OTC
Prescribed for Allergic Rhinitis, Sinusitis, 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 576 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.
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.