Comparing Phenytoin vs Pregabalin
| Phenytoin | Pregabalin |
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| Phenytoin | Pregabalin |
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Prescription only
Prescribed for Epilepsy, Seizures, Anxiety, Arrhythmia, Cluster-Tic Syndrome, Neurosurgery, Status Epilepticus, Seizure Prophylaxis During or Following Neurosurgery, Myotonia Congenita, Peripheral... View more |
Prescription only
Pregabalin is used in the treatment of nerve pain and also to prevent seizures. Drowsiness or dizziness are common side effects, and it has the potential to be misused. Prescribed for Back Pain... View more |
Related suggestions Seizures
Peripheral Neuropathy
Popular comparisons
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| More about Phenytoin | More about Pregabalin | ||||||||||||||||
| Ratings & Reviews | |||||||||||||||||
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Phenytoin has an average rating of 7.5 out of 10 from a total of 117 ratings on Drugs.com. 66% of reviewers reported a positive effect, while 15% reported a negative effect. |
Pregabalin has an average rating of 6.8 out of 10 from a total of 1680 ratings on Drugs.com. 58% of reviewers reported a positive effect, while 23% 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 Phenytoin side effects |
View all Pregabalin 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 Phenytoin prices |
View all Pregabalin prices |
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| Dosage Forms | |||||||||||||||||
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| Brand Names | |||||||||||||||||
| Di-Phen, Dilantin, Phenytek, Phenytoin Sodium, Phenytoin Sodium, Extended Release | Lyrica, Lyrica CR | ||||||||||||||||
| 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 |
6.3 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. |
Some potential for abuse
Has a low potential for abuse relative to those in schedule 4. 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 4. |
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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 Phenytoin:
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A total of 286 drugs are known to interact with Pregabalin:
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| Alcohol/Food/Lifestyle Interactions | |||||||||||||||||
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| Disease Interactions | |||||||||||||||||
| First Approval Date | |||||||||||||||||
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January 06, 1953 |
N/A |
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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 | |||||||||||||||||
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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.