Effectiveness in pediatric patients below the age of 3 years has not been established. The starting dose is 300 mg three times a day. The effective dose of NEURONTIN is 300 mg to 600 mg three times a day. Dosages up to 2400 mg/day have been well tolerated in long-term clinical studies.n adults with postherpetic neuralgia, NEURONTIN therapy may be initiated on Day 1 as a single 300 mg dose, on Day 2 as 600 mg/day (300 mg two times a day), and on Day 3 as 900 mg/day (300 mg three times a day).
Quick Answer. The average cruising flight speed for commercial jets is around 540 mph. This is based on the most popular commercial jets in operation, the Boeing 747 family.
Although there is not a specific speed limit for commercial planes above 10,000 feet, pilots have to abide by the aircraft manufacturer's maximum safe speed for the aircraft to fly.he maximum speed of a plane is completely dependent on the aircraft type. Captain Al Bridger confirmed that a Boeing 747 (Jumbo Jet) has a cruising speed of 575 mph (Mach 0.85) at 35,000ft.