Table 2: Maximum Recommended Pediatric Gabapentin Dosages

Treatment Indication Drug Name Dosage Form/Strength Maximum Recommended Dosage
Partial seizures with/without secondary generalized tonic-clonic seizures gabapentin (Neurontin®, generics) 100 mg, 300 mg, 400 mg immediate-release (IR) capsules
600 mg, 800 mg IR tablet
250 mg/5 mL, 300 mg/ 6 mL oral solution
  • 12 years and older: 2400 mg/day (in three divided doses*)
  • 5-11 years of age: 35 mg/kg/day (in 3 divided doses+)
  • 3-4 years of age:  40 mg/kg/day (in 3 divided doses+)

Legend:

  • +Doses up to 50 mg/kg/day have been well tolerated in an extended clinical trial.
  • *Doses of 3600 mg/day have also been well tolerated in small numbers of patients for abbreviated treatment durations.