I just had a lumbar puncture yesterday. Wondering if any of you have had it and what sort of after effects you have had? I haven't got the bad post lumbar headache (not yet at any rate!) but I have a sort of floaty head/dizziness and a deep band of lower back pain all across the back. Expected some tenderness around the injection site but this is significant pain and any bending or movement makes it worse. Dosing up on the painkillers and resting, hoping that it goes away sooner rather than later!