Is Sphenopalatine Ganglion Block Treatment Effective on Postspinal Headaches

the intervention will be performed on sitting position. Lidocaine 2% viscous (0.5ml) will be apply on cotton swab sticks and one will be gently inserted into nostril, along the floor of the nose. Stick will be used to insert it as far as it goes with the intention to reach the nasopharyngeal wall (posterior wall of the nose). At that position the swab stick will be left undisturbed for 20 minutes.

Conservative treatments are iv hydration, analgesic agents, caffeine or theophylline