Post-dural puncture headache leads to high morbidity and cost to the health system. Pregnant
women have a higher incidence than other population groups. There are several treatments for
post dural puncture headache mentioned in the literature, not all well established, with a
wide heterogeneity of treatment between services. Sphenopalatine block then appears as an
alternative treatment, having been described as effective in reports and case series,
requiring comparative experimental studies.