Comparing Dilantin vs Keppra
| Dilantin (phenytoin) | Keppra (levetiracetam) |
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| Dilantin (phenytoin) | Keppra (levetiracetam) |
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Prescription only
Prescribed for Epilepsy, Seizures, Neurosurgery, Status Epilepticus, Seizure Prophylaxis During or Following Neurosurgery. Dilantin may also be used for purposes not listed in this medication guide. |
Prescription only
Keppra is an anticonvulsant that is used in conjunction with other medications for the treatment of certain types of seizures. It may cause drowsiness but it is less likely than some other... View more |
Related suggestions Popular comparisons
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| More about Dilantin (phenytoin) | More about Keppra (levetiracetam) | ||||||||||||||||
| Ratings & Reviews | |||||||||||||||||
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Dilantin has an average rating of 7.4 out of 10 from a total of 78 ratings on Drugs.com. 63% of reviewers reported a positive effect, while 17% reported a negative effect. |
Keppra has an average rating of 5.7 out of 10 from a total of 308 ratings on Drugs.com. 43% of reviewers reported a positive effect, while 34% 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 Dilantin side effects |
View all Keppra side effects |
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| Drug Class | |||||||||||||||||
| Generic Availability | |||||||||||||||||
| Pricing and Coupons * Prices are without insurance | |||||||||||||||||
View all Dilantin prices |
View all Keppra prices |
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| Dosage Forms | |||||||||||||||||
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| Brand Names | |||||||||||||||||
| Other phenytoin brands include: Di-Phen, Phenytek, Phenytoin Sodium, Phenytoin Sodium, Extended Release | Other levetiracetam brands include: Elepsia XR, Keppra XR, Roweepra, Roweepra XR, Spritam | ||||||||||||||||
| Half Life Drug half-life is the time required for plasma concentration to reduce to half its original value. | |||||||||||||||||
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15 hours |
8 hours |
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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 D
Positive evidence of risk
See the full pregnancy warnings document. |
Category C
Risk cannot be ruled out
See the full pregnancy warnings document. |
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| Drug Interactions | |||||||||||||||||
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A total of 858 drugs are known to interact with Dilantin:
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A total of 238 drugs are known to interact with Keppra:
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| Alcohol/Food/Lifestyle Interactions | |||||||||||||||||
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| Disease Interactions | |||||||||||||||||
| First Approval Date | |||||||||||||||||
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January 06, 1953 |
November 30, 1999 |
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| WADA Class View classifications | |||||||||||||||||
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N/A |
N/A |
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| More Information | |||||||||||||||||
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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.