Medicine Overview

Indication

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Adult Dose

Clinical InformationAdministration Information
Indication: Status Epilepticus
Age: Adult
Dose: Intravenous infusion – initially 15 mg Phenytoin Sodium equivalents/kg
Frequency: once (initial dose)
Note: Administer at a rate of 100-150 mg Phenytoin Sodium equivalents/minute. Fosphenytoin Sodium 1.5 mg is equivalent to Phenytoin Sodium 1 mg.
Indication: Status Epilepticus
Age: Adult
Dose: Intramuscular injection or Intravenous infusion – 4-5 mg Phenytoin Sodium equivalents/kg
Frequency: daily in 1-2 divided doses
Note: For intravenous infusion, administer at a rate of 50-100 mg Phenytoin Sodium equivalents/minute.

Child Dose

Clinical InformationAdministration Information
Indication: Status Epilepticus
Age: Child greater than 5 years
Dose: Intravenous infusion – initially 15 mg Phenytoin Sodium equivalents (PE)/kg
Note: At a rate of 2-3 mg Phenytoin Sodium equivalents (PE)/kg/minute; Renal impairment: Dose reduction or slower infusion may be needed; Hepatic impairment: Dose reduction or slower infusion may be needed
Indication: Status Epilepticus
Age: Child greater than 5 years
Dose: Intravenous infusion – 4-5 mg Phenytoin Sodium equivalents (PE)/kg
Frequency: daily in 1-4 divided doses
Note: At a rate of 1-2 mg Phenytoin Sodium equivalents (PE)/kg/minute; Renal impairment: Dose reduction or slower infusion may be needed; Hepatic impairment: Dose reduction or slower infusion may be needed

Renal Dose

Clinical InformationAdministration Information
Condition: Renal impairment
Dose: Not specified
Note: Dose reduction or slower infusion may be needed
Administration
  • Given as IV infusion
  • Must be diluted before use
Side Effect

Drug Interaction

Drug NameRisk Factors
Acute alcohol intake, Amiodarone, Chloramphenicol, Chlordiazepoxide, Cimetidine, Diazepam, Dicumarol, Disulfiram, Estrogens, Ethosuximide, Fluoxetine, H2-Antagonists, Halothane, Isoniazid, Methylphenidate, Phenothiazines, Phenylbutazone, Salicylates, Succinimides, Sulfonamides, Tolbutamide, Trazodone
May increase plasma Phenytoin concentrations
Carbamazepine, chronic alcohol abuse, Reserpine
May decrease plasma phenytoin concentrations

Disease Interaction

Disease NameRisk Factors
Sinus Bradycardia
Risk of cardiac complications
Second/Third Degree AV Block
Risk of complete heart block

Pregnancy

Lactation
Special Use
Precaution
Overdose
Pharmacology
Storage

Details coming soon

Data Sources

Clinical & regulatory information on this page is compiled from the following government sources:

DISCLAIMER: This drug information content is provided for informational purposes only and is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Patients should always consult their physician with any questions regarding a medical condition and to obtain medical advice and treatment.