What is Sphenopalatine Ganglion (SPG) block?

Category: Procedures

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Generic name: Nerve Block

A sphenopalatine ganglion (SPG) block is a nerve block used to treat a variety of head/neck and facial pain. The sphenopalatine ganglion is a collection of nerves. Pain medications are injected into the pterygopalatine fossa, where the sphenopalatine ganglion is located.

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