When you pull out the tube core, you may even see a clear gurgling of cerebrospinal fluid. Ever since, these clinical symptoms may appear in the follow-up:

01

Headache is characterized by positional nature, that is, headache worsens within 15 minutes of sitting and standing, and gradually relieved or disappeared within 30 minutes of lying down. People with severe symptoms also feel headache when lying down, and the pain is aggravated when turning the head and neck.

02

Headache usually occurs in the forehead and occipital area or both, and rarely affects the temporal area

03

May be accompanied by other symptoms: vestibular symptoms (nausea, vomiting, dizziness), cochlear symptoms (hearing loss, tinnitus), visual symptoms (photophobia, flash dark spots, diplopia, dysregulation), skeletal muscle symptoms (neck stiffness, Shoulder pain)

04

Symptoms are delayed for 12 to 48 hours. Symptoms are usually relieved after 7 days, and 90% of them are completely relieved or returned to normal within 6 months

05

More common in young women with low body mass index

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