 [ Symptoms ] what could cause diarrhea coldhotsweaty wierd feeling in head confusion i try to control type 2 diabetes i am trying to control type 2 diabetes i am on two types of insulin i also feel nauseated and have dry heaves i always want someone to hold me because it scares me and i feel funny i had my hubby check my blood sugar and it was 180 i feel shaky weak and have to lay down within 30 60 minutes i feel better i have had this before usually one or two evenings right before bed and then i go several months before it hits again [ Disease ] hi do a brain angiography to search for brain aneurysm once you clear that out you can check your eustachian tube for block good luck