The most common symptom of a CSF leak is an upright (orthostatic) headache, which worsens when the head is in an upright position but usually improves when the person lies down. Other symptoms of ...

CSF oligoclonal bands is a test ordered by physicians when serious health concerns related to your central nervous system arise. Here’s what you need to know about it. If your physician suspects ...

The liquid that builds up isn’t water. It’s cerebrospinal fluid (CSF). It circulates through the brain, bringing important nutrients and flushing away waste products from tissues. Normally ...