Suggest Treatment For Dementia In An Elderly Person

My mom is 74 years old and has hemochromatos and is starting to get dementia . She had been having week spells where she can t walk so week she almost passes out . She has been to E.R 4 times in the last month. They keep saying she is dehydrated they give an I V then send her home. She has had more spells over the weekend. She gets real week her eyes get glazed over she says help me help me. Now she is shaking for about 4 to 5 minutes like a seizure .. shaking bad I hold her tight and tell her she will be alright . Make her drink gatorade. She is in this stare for about an hour to an hour and a half . . Then she don t remember what happened. Then to boot. Her doctor dismissed her after 25 years with a 2 Day notice. She had no doctor what do we do