Phenytoin

Dilantin, Dilantin Infatab, Phenytoin Infatab, Phenytek, and generics
Anticonvulsant, class Ib antiarrhythmic

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D2YesYesYes
Key
  • Chewable tabs (Dilantin Infatab and generics): 50 mg; may contain saccharin
  • Extended release caps:
    • Dilantin: 30, 100 mg
    • Phenytek: 200, 300 mg
    • Generics: 100, 200, 300 mg
  • Oral suspension (Dilantin and generics): 125 mg/5 mL (240 mL); contains ≤0.6% alcohol and sodium benzoate
  • Injection: 50 mg/mL (2, 5 mL); contains alcohol and sodium benzoate

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