Dreaming of having an illness represents unpleasant changes, despair, or emotional problems. It may also imply that you are unable to deal with a situation and that you feel like being sick is the only way out. Literally speaking, the dream may also be warning you to watch out for your health.
Dreaming about having a terminal illness is your brain’s way of reminding you to seize the day. It may also signify feelings of grief, hopelessness, and self-pity.
Dreaming of having a mental illness suggests someone that is having difficulty in controlling unacceptable behavior in his/her waking life. It may also symbolize some embarrassing behavior and habits that you want to control.