Post dural (spinal) puncture headache is due to

(Seepage of CSF) (517 - Lee's 13th) (360-KDT 6th)* Post spinal headache is due to seepage of CSF: can be minimised by using smaller bore needle (KDT)* Typical location is bifrontal and / or occipital* It is more common in Young pregnant patients and with accidental dural puncture rate during epidural anaesthesia using Touhyneedle (60 - 80%) Reduced by introduction of size 25 G and 27 - G whitacre pencil point needles. Which replaced cutting needles* Paralysis of cranial nerve. All cranial nerves except 1st, 9, 10th can be involved after spinal Anaesthesia. Most commonly (90%) 6th nerve is involved (Because of the longest course of 6th nerve)