Really awful headache and spinning sensation and light headed for a week have off and on mild fever 99-100 feel like im gonna seizure or pass out!

Possible dehydration: Make sure you are drinking plenty of water. If you are sick with a virus or something, you should be drinking a lot of fluids get plenty of rest. If you are still feeling bad, see your internist or develop a relationship with one. It is the time to start seeing them regularly for.Check ups. Better to do it now vs later. The doctor will give you a thorough once over and check everything.