The classic presentation of CSF leaks is the expression of clear, watery drainage from the nose. This occurs usually on one side; however if fluid drains into the back of the throat there may be a salty taste.

Can you smell a CSF leak?

Clear, watery drainage usually from only one side of the nose or one ear when tilting the head forward. Salty or metallic taste in mouth. Drainage down back of throat. Loss of smell.

Is CSF odorless?

Cerebrospinal fluid (CSF) is a clear, odorless, water like substance that surrounds the brain and spinal cord providing a variety of necessary functions. CSF that surrounds the brain is separated from the nasal cavity and non-sterile outside environment by only a few thin layers of tissue and bone.