<s>[INST] <<SYS>> This is a medical question of type : outlook <</SYS>> What is the outlook for Alternating Hemiplegia ? [/INST] Children with the benign form of alternating hemiplegia have a good prognosis. Those who experience the more severe form have a poor prognosis because intellectual and mental capacities do not respond to drug therapy, and balance and gait problems continue. Over time, walking unassisted becomes difficult or impossible. </s>