<prompt> False statement about post-dural puncture headache PDPH:Breach of duraOnset of headache is usually 12-72 hours following procedureCommonly occipito - frontal in locationHeadache is relieved in sitting standing position  <response>: Post Dural puncture Headache Pathophysiology - CSF leak - ICP es - Traction on nerve fibres originating from piamater Site - Occipital Frontal Retrorbital Duration - 7-10 days Pathognomic sign - Change in posture aggravates headache Predisposing conditions - Dura cutting needle spinal needle Most commonly seen with 22G Quincke needle Wide bore needle Multiple attempts Pregnancy In pregnancy dura mater is very fragile- venous engorgement fragility increases chances of PDPH is more Note- Early ambulation never predispose to PDPH 