Generic Name
Phenytoin
Brand Name
Dilantin, Dilantin 125, and Phenytek
Class
Anticonvulsants, hydantoins; antidysrhythmics, Ib
Proposed Mechanism(s) of Action
Sodium channel blocker (blocks voltage-gated dependent sodium channels)
Indication
Generalized tonic-clonic and complex partial seizures and prevention of seizures concurrent with or following neurosurgery
Off-Label Use
No common off-label use
Side Effects
Serious
Agranulocytosis, leukopenia, and Stevens-Johnson syndrome
Common
Ataxia, nystagmus, impaired motor coordination, confusion, insomnia, headaches, tremor, dystonia, rash, nausea, vomiting, and liver dysfunction
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References and Readings
Physicians’ desk reference (71st ed.) (2017). Montvale: Thomson PDR.
Stahl, S. M. (2007). Essential psychopharmacology: The prescriber’s guide (2nd ed.). New York: Cambridge University Press.
Additional Information
Drug Interaction Effects. http://www.drugs.com/drug_interactions.html
Drug Molecule Images. http://www.worldofmolecules.com/drugs/
Free Drug Online and PDA Software. www.epocrates.com
Free Drug Online and PDA Software. www.medscape.com
Gene-Based Estimate of Drug interactions. http://mhc.daytondcs.com:8080/cgibin/ddiD4?ver=4&task=getDrugList
Pill Identification. http://www.drugs.com/pill_identification.html
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Courtney, J.C., Akins, C., Gonzalez, E.A. (2018). Phenytoin. In: Kreutzer, J.S., DeLuca, J., Caplan, B. (eds) Encyclopedia of Clinical Neuropsychology. Springer, Cham. https://doi.org/10.1007/978-3-319-57111-9_1694
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DOI: https://doi.org/10.1007/978-3-319-57111-9_1694
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