Condition indicative of a CSF (cerebrospinal fluid) Leak in the dura, creating negative pressure within the brain cavity; technically identified as pressure <7 cm. These leaks can happen anywhere in the dura matter (brain or spinal canal). While they are less common in the general population and usually follow: surgery/trauma, spinal tap, epidural, etc. Among those with a connective tissue disorder such as Ehler’s-Danlos Syndrome, CSF leaks are known to happen spontaneously.

Symptoms include: Orthostatic Headache (severe headache when upright, which is relieved when lying flat), Nausea, Vomiting, Neck Pain, Visual Disturbances, Double-vision, Hearing Disturbances, Brain Fog, Dizziness, and Vertigo.