Comparing Ativan vs Diphenhydramine
Ativan | Diphenhydramine |
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Ativan (lorazepam) | Diphenhydramine |
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Prescription only
Ativan may be used for the treatment of anxiety or as a preoperative medicine. It is potentially addictive and a withdrawal syndrome may be experienced upon discontinuation. Sedation is a common... View more |
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 |
Related suggestions Nausea/Vomiting
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More about Ativan (lorazepam) | More about Diphenhydramine | ||||||||||||||||
Ratings & Reviews | |||||||||||||||||
Ativan has an average rating of 8.1 out of 10 from a total of 476 ratings on Drugs.com. 75% of reviewers reported a positive effect, while 12% reported a negative effect. |
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. |
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Drug Class | |||||||||||||||||
Side Effects | |||||||||||||||||
See also: Ativan side effects in more detail. |
See also: diphenhydramine 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 Ativan prices |
View all diphenhydramine prices |
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Dosage Forms Available | |||||||||||||||||
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Brand Names | |||||||||||||||||
Other lorazepam brands include: Ativan Injection, Lorazepam Intensol, Loreev XR | 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 | ||||||||||||||||
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. | |||||||||||||||||
25 hours |
9.3 hours |
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CSA Schedule ** View glossary of terms | |||||||||||||||||
Some potential for abuse
Has a low potential for abuse relative to those in schedule 3. It has a currently accepted medical use in treatment in the United States. Abuse may lead to limited physical dependence or psychological dependence relative to those in schedule 3. |
Not a controlled drug
Is not subject to the Controlled Substances Act. |
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Pregnancy Category | |||||||||||||||||
Category D
Positive evidence of risk
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 404 drugs are known to interact with Ativan:
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A total of 448 drugs are known to interact with diphenhydramine:
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Alcohol/Food/Lifestyle Interactions | |||||||||||||||||
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Disease Interactions | |||||||||||||||||
First Approval Date | |||||||||||||||||
September 30, 1977 |
March 04, 1946 |
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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.