Suggest Remedy For Severe Headache With Memory Disorientation

i have severe headaches , can not function due to memory and disorientation , this has been going on awhile saw my docter , at that time i was ok had blood test taken all was good but vitamin b , i have gotten way worse . i spat up blood tonight . all my kids have had step throat, one had the flew headaches , i can not get answers so i thought carbon monozide ave gas furnace what should i do