 [ Symptoms ] my dad just had kidney failure he is acting like he isnt all there mentally can he recover back to his normal self  his kidney failure was caused by drugs he has been out of the hospital for a week and seems to have episodes of dementia [ Disease ] if he starts going to dialysis daily his mental status should return to normal within a week or two the amount of toxins that are in his body right now cause a sort of temporary dementia i have seen 80 of my residents bounce back to relatively normal