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. 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. 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 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. View gabapentin information, including dose, uses, side-effects, renal impairment, pregnancy, breast feeding, important safety information and directions for administration. 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. Medscape - Seizure dosing for Neurontin, Gralise (gabapentin), frequency-based adverse effects, comprehensive interactions, contraindications, pregnancy & lactation schedules, and cost. 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). 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%.