The gabapentin dosing tool provides starting dose, titration schedule, maximum dose, and per-dose amounts for nerve pain, seizures, and restless legs syndrome. The gabapentin renal dose calculator automatically adjusts for kidney function and age. Gabapentin bioavailability is not dose proportional; i.e., as dose is increased, bioavailability decreases. Bioavailability of gabapentin is approximately 60%, 47%, 34%, 33%, and 27%. Dose: the starting dose range is 10 to 15 mg/kg/day, given in 3 divided doses. The recommended dose in patients 3 to 4 years of age is 40 mg/kg/day, and in patients 5 to 11 years of age is 25 to 35 mg/kg/day, given in 3 divided doses. View gabapentin information, including dose, uses, side-effects, renal impairment, pregnancy, breast feeding, important safety information and directions for administration. Detailed Gabapentin dosage information for adults and children. Includes dosages for Restless Legs Syndrome, Epilepsy and Postherpetic Neuralgia; plus renal, liver and dialysis adjustments. Gabapentin may be administered as the oral solution, capsule, or tablet, or using combinations of these formulations. Dosages up to 50 mg/kg/day have been well tolerated in a long-term clinical study. The maximum time interval between doses should not exceed 12 hours. The starting dose is 10 to 15 milligrams (mg) per kilogram (kg) of body weight per day and divided in 3 doses. Your doctor may adjust your dose as needed and tolerated. Medscape - Seizure dosing for Neurontin, Gralise (gabapentin), frequency-based adverse effects, comprehensive interactions, contraindications, pregnancy & lactation schedules, and cost. Gabapentin starting doses typically range from 300 to 900mg daily, divided into 2 to 3 doses. The maximum daily dose is 3,600mg for most conditions, with careful monitoring required. Dose titration should occur gradually over 3 to 14 days to minimize side effects. The typical starting dosage of gabapentin for seizures is 300 mg by mouth three times a day, with or without food. Your prescriber may adjust your gabapentin dosage to up to 600 mg 3 times a day (1,800 mg per day).