Depends... If your life is on the line do what's necessary, otherwise don't bother.
An observation I've had over the years tells me that once the dura mater has been punctured you'll end up with a chronic low back problem the rest of your life. They have to puncture the dura to get to the spinal fluid.
Lymes should be diagnosable without a spinal tap. Even so they offer no treatment for it. Lymes IS parasites so get to eliminating the parasites and decogesting the liver.
Barefoot, Humaworm, Clark all have great antiparasite products. So that's your next step.