Comparing Diphenhydramine vs Zofran
Diphenhydramine | Zofran |
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Diphenhydramine | Zofran (ondansetron) |
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Prescription and OTC
Diphenhydramine is an antihistamine that can be used to treat allergic reactions, relieve motion sickness, as a sleep aid, and relieve some symptoms of Parkinson's disease. Sedation is a common side... View more |
Prescription only
Zofran may be used for the treatment and prevention of nausea and vomiting caused by cancer chemotherapy, radiation, or surgery. It is approved for use in adults and children over the age of 4. A... View more |
Related suggestions Nausea/Vomiting
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More about Diphenhydramine | More about Zofran (ondansetron) | ||||||||
Ratings & Reviews | |||||||||
Diphenhydramine has an average rating of 5.5 out of 10 from a total of 529 ratings on Drugs.com. 43% of reviewers reported a positive effect, while 41% reported a negative effect. |
Zofran has an average rating of 8.0 out of 10 from a total of 266 ratings on Drugs.com. 76% of reviewers reported a positive effect, while 16% reported a negative effect. |
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Drug Class | |||||||||
Side Effects | |||||||||
See also: diphenhydramine side effects in more detail. |
See also: Zofran side effects in more detail. |
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Generic Availability | |||||||||
Lower cost generic |
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Pricing and Coupons * Prices are without insurance | |||||||||
View all diphenhydramine prices |
We could not find an exact match for this medicine. Try searching the Price Guide directly. |
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Dosage Forms Available | |||||||||
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Brand Names | |||||||||
Aler-Dryl, Aler-Tab, Aller-G-Time, Allergia-C, Allermax, Altaryl, Banaril, Banophen, Beldin, Belix, Ben-Tann, Benadryl, 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-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 |
N/A |
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Half Life The half-life of a drug is the time taken for the plasma concentration of a drug to reduce to half its original value. | |||||||||
9.3 hours |
4 hours |
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CSA Schedule ** View glossary of terms | |||||||||
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 | |||||||||
Category B
No proven risk in humans
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 | |||||||||
A total of 448 drugs are known to interact with diphenhydramine:
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A total of 349 drugs are known to interact with Zofran:
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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 | |||||||||
March 04, 1946 |
December 31, 1992 |
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WADA Class View World Anti-Doping Agency classifications. | |||||||||
N/A |
N/A |
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More Information | |||||||||
Patient resources | |||||||||
Professional Resources | |||||||||
Related Treatment Guide | |||||||||
** 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.