Comparing Benadryl vs Chlorpheniramine
Benadryl | Chlorpheniramine |
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Benadryl (diphenhydramine) | Chlorpheniramine |
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Prescription and OTC
Benadryl 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 effect... View more |
Prescription and OTC
Prescribed for Urticaria, Allergic Reactions, Allergic Rhinitis, Cold Symptoms, Food Allergies, Allergies. chlorpheniramine may also be used for purposes not listed in this medication guide. |
Related suggestions Allergic Rhinitis
Urticaria
Allergic Reactions
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More about Benadryl (diphenhydramine) | More about Chlorpheniramine | ||||||||||||||||
Ratings & Reviews | |||||||||||||||||
Benadryl has an average rating of 7.2 out of 10 from a total of 76 ratings on Drugs.com. 64% of reviewers reported a positive effect, while 19% reported a negative effect. |
Chlorpheniramine has an average rating of 8.2 out of 10 from a total of 53 ratings on Drugs.com. 80% of reviewers reported a positive effect, while 14% reported a negative effect. |
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Drug Class | |||||||||||||||||
Side Effects | |||||||||||||||||
See also: Benadryl side effects in more detail. |
See also: chlorpheniramine side effects in more detail. |
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Generic Availability | |||||||||||||||||
N/A |
Lower cost generic |
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Pricing and Coupons * Prices are without insurance | |||||||||||||||||
View all Benadryl prices |
View all chlorpheniramine prices |
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Dosage Forms Available | |||||||||||||||||
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Brand Names | |||||||||||||||||
Other diphenhydramine brands include: Aler-Dryl, Aler-Tab, Aller-G-Time, Allergia-C, Allermax, Altaryl, 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-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 | Aller-Chlor, Allergy Relief, Allergy Time, C.P.M., Chlo-Amine, Chlor-Mal, Chlor-Phenit, Chlor-Trimeton, Chlor-Trimeton Allergy SR, Chlorphen, Chlorpheniramine (Allergy), ChlorTan, Ed Chlor Ped Jr., Ed Chlor-Tan, Ed ChlorPed, Ed-Chlortan, Ricobid H, Teldrin HBP Allergy, Topco Allergy, Wal-finate View more | ||||||||||||||||
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 |
30 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 Benadryl:
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A total of 347 drugs are known to interact with chlorpheniramine:
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Alcohol/Food/Lifestyle Interactions | |||||||||||||||||
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Disease Interactions | |||||||||||||||||
First Approval Date | |||||||||||||||||
March 04, 1946 |
July 13, 1949 |
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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.