Comparing Fosphenytoin vs Phenytoin
| Fosphenytoin | Phenytoin |
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| Fosphenytoin | Phenytoin |
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Prescription only
Prescribed for Epilepsy, Status Epilepticus. Fosphenytoin may also be used for purposes not listed in this medication guide. |
Prescription only
Prescribed for Epilepsy, Seizures, Cluster-Tic Syndrome, Status Epilepticus, Anxiety, Arrhythmia, Neurosurgery, Seizure Prophylaxis During or Following Neurosurgery, Myotonia Congenita, Peripheral... View more |
Related suggestions |
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| More about Fosphenytoin | More about Phenytoin | ||||||||||||||||
| Ratings & Reviews | |||||||||||||||||
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Be the first to share your experience with this drug. |
Phenytoin has an average rating of 7.5 out of 10 from a total of 116 ratings on Drugs.com. 66% of reviewers reported a positive effect, while 16% 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. | |||||||||||||||||
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View all Fosphenytoin side effects |
View all Phenytoin side effects |
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| Drug Class | |||||||||||||||||
| Generic Availability | |||||||||||||||||
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Lower cost generic |
Lower cost generic |
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| Pricing and Coupons * Prices are without insurance | |||||||||||||||||
View all Fosphenytoin prices |
View all Phenytoin prices |
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| Dosage Forms | |||||||||||||||||
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| Brand Names | |||||||||||||||||
| Cerebyx | Di-Phen, Dilantin, Phenytek, Phenytoin Sodium, Phenytoin Sodium, Extended Release | ||||||||||||||||
| Half Life Drug half-life is the time required for plasma concentration to reduce to half its original value. | |||||||||||||||||
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0.25 hours |
15 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 D
Positive evidence of risk
See the full pregnancy warnings document. |
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| Drug Interactions | |||||||||||||||||
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A total of 759 drugs are known to interact with Fosphenytoin:
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A total of 856 drugs are known to interact with Phenytoin:
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| Alcohol/Food/Lifestyle Interactions | |||||||||||||||||
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| Disease Interactions | |||||||||||||||||
| First Approval Date | |||||||||||||||||
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N/A |
January 06, 1953 |
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| WADA Class View classifications | |||||||||||||||||
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N/A |
N/A |
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| More Information | |||||||||||||||||
| Patient Resources | |||||||||||||||||
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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.
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.