The primary objectives of the study are to study the effectiveness of SP ganglion block in relieving post-dural puncture headache in terms of :~Number of subjects who get relief of pain~The onset time to pain relief after application of block~The duration of pain relief~The incidence of recurrence of post-dural puncture headache~Secondary objectives are to:~Monitor any complications due to SP ganglion block~Measure patient satisfaction~Monitor any residual effects at 1 months after the SP block
The objective of the study is to determine the effectiveness of Spheno-Palatine (SP) ganglion block to alleviate the pain of post-dural puncture headache (PDPH).