It was the most painful experience of my life. I had a two strokes when i was twenty so they wanted to text my spinal fluid.
They couldn't get the needle in right at first so they had to try again 40 mins later, although they gave me local anaesthetic i could feel everything. It took them an hour to get enough fluid.
I never ever want another one in my entire life. Thinking about it i can feel it all over again.