I've been having severe daily headaches , loss of balance and slight vision change. mri with out contrast came back fine. what should be next step ?

See a Neurologist: See a neurologist for complete medical history (with special attention to your headaches), physical ; neurological examination. Correct diagnosis is needed to begin an effective treatment plan. It is important to describe your headache symptoms as completely as possible: how long you have been experiencing them? What are the triggers? Where the pain is located? What it feels like? Other symptoms..