Comparing Benadryl vs Vicks Nyquil Cough
| Benadryl (diphenhydramine) | Vicks Nyquil Cough (dextromethorphan / doxylamine) |
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| Benadryl (diphenhydramine) | Vicks Nyquil Cough (dextromethorphan / doxylamine) |
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Prescription and OTC
Benadryl is used to treat allergies, motion sickness, and to relieve symptoms of Parkinson's Disease (PD) in patients unable to tolerate more potent agents. It may also be used off-label to help... View more |
Over-the-counter
Prescribed for Cough, Cough and Nasal Congestion. Vicks Nyquil Cough may also be used for purposes not listed in this medication guide. |
Related suggestions |
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| More about Benadryl (diphenhydramine) | More about Vicks Nyquil Cough (dextromethorphan / doxylamine) | ||||||||
| Ratings & Reviews | |||||||||
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Benadryl has an average rating of 7.0 out of 10 from a total of 80 ratings on Drugs.com. 60% of reviewers reported a positive effect, while 20% reported a negative effect. |
Be the first to share your experience with this drug. |
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| Side Effects Experienced by Users Side effects are reported in Drugs.com user reviews and not clinically verified. | |||||||||
View all Benadryl side effects |
View all Vicks Nyquil Cough side effects |
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| Drug Class | |||||||||
| Generic Availability | |||||||||
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N/A |
N/A |
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| Pricing and Coupons * Prices are without insurance | |||||||||
View all Benadryl 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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N/A |
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| Brand Names | |||||||||
| Other diphenhydramine brands include: Aler-Dryl, Aler-Tab, Aller-G-Time, Allergia-C, Allermax, Altaryl, Aurodryl Children's Allergy, Banaril, Banophen, Beldin, Belix, Ben-Tann, Benadryl Allergy, Benadryl Children's Allergy, Benahist-10, Benahist-50, Benoject-50, Buckley's Bedtime, Bydramine, Calm-Aid, Complete Allergy Relief, Compoz Nighttime Sleep Aid, ConRx Allergy, Dicopanol, Diphedryl, Diphen, Diphen AF, Diphen Cough, Diphenadryl, Diphendryl, Diphenhist, Diphenmax, Diphenydramine Quick Melt, Diphenyl, Diphenylin, Dormin, DPH, Dytan, Dytuss, Genahist, Help I Can't Sleep, Histaprin, Hydramine, Hydramine Compound, Hydramine Cough Syrup, Hyrexin, Miles Nervine, Nytol, Nytol Caplet, Nytol QuickCaps, Pharbedryl, Scot-Tussin Allergy, Siladryl Allergy, Silphen Cough, Simply Sleep, Sleep Tab II, Sleep Tablets, Sleep-ettes D, Sleepinal, Sleepwell 2-nite, Snooze Fast, Sominex, Sominex Maximum Strength Caplet, Trux-adryl, Twilite, Unisom Liquid, Unisom SleepGels, Unisom SleepMelts, Unisom SleepMinis, Valu-Dryl, Vanamine PD, Vicks QlearQuil Nighttime Allergy Relief, Z-Sleep, ZzzQuil View more | Other dextromethorphan / doxylamine brands include: Nighttime Cough, Robitussin Nighttime Cough DM, Robitussin Nighttime Cough DM Maximum Strength, Safetussin PM | ||||||||
| 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 B
No proven risk in humans
See the full pregnancy warnings document. |
Category C
Risk cannot be ruled out
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| Drug Interactions | |||||||||
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A total of 449 drugs are known to interact with Benadryl:
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A total of 429 drugs are known to interact with Vicks Nyquil Cough:
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| Alcohol/Food/Lifestyle Interactions | |||||||||
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| Disease Interactions | |||||||||
| First Approval Date | |||||||||
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March 04, 1946 |
N/A |
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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.