Overview Postdural Puncture Headache Relief With Aminophylline and SPGB Status: Not yet recruiting Trial end date: 2022-12-31 Target enrollment: Participant gender: Summary The purpose of the study is to compare Sphenopalatine ganglion block (SPGB) and aminophylline in the efficacy and safety management of PDPH. Phase: Phase 4 Details Lead Sponsor: Ain Shams UniversityTreatments: Aminophylline