Bariatric surgery may be risk factor for severe headache

October 23, 2014 7:05 AM

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The classic symptom of spontaneous intracranial hypotension (SIH) is severe headache when upright, which is relieved when the patient is lying down flat. Some people also get nausea, vomiting, double vision or difficulty with concentration.

When someone has SIH, they have negative pressure within their brain cavity. This can be caused by cerebrospinal fluid (CSF) leaking from the spinal canal and can happen following a shunt procedure for hydrocephalus (sometimes known as water on the brain), where a flexible tube is placed in the brai...

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