Many people who suffer with chronic migraine live with symptoms that are baffling — headache, nausea, neck stiffness, ringing in the ear — and all of these symptoms worsen as the day goes on and the individual spends more time in the upright position. However, symptoms improve as long as they are lying down. In this talk, Ian Carroll MD, discusses an often overlooked diagnosis that can be treated — spontaneous intracranial hypotension.