Is lumbar puncture safe?

In the absence of contraindications, a lumbar puncture is a very safe test. Since the daily secretion of cerebrospinal fluid is about 500ml, if about 10ml of cerebrospinal fluid is collected in a lumbar puncture, it can be generated and replenished within 30 minutes. A small number of patients have transient headaches after lumbar puncture - low intracranial pressure headache after lumbar puncture, which usually lasts for 1-2 days. Symptoms worsen when standing, and in severe cases may be accompanied by nausea, vomiting, and tinnitus. Usually, low intracranial pressure headache after lumbar puncture can be quickly relieved by lying down and drinking plenty of water.

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