Is 100 - 120mg of Adderall XR taken in a ten - twelve hour time period a dangerous dose for a 4'11" female who weighs 115 pounds and has frequently taken Adderall for three years? I'm curious because a friend has taken said amount and I'm unsure if that is a dosage I need to be concerned about. Also, could it pose any issues or "After effects" to watch for? Thanks!