A sphenopalatine ganglion (SPG) block is a non-surgical treatment used to relieve various types of head, face, and neck pain, including migraines, cluster headaches, and facial neuralgia. The SPG is a collection of nerve cells located deep within the face that is involved in transmitting pain signals. By delivering a local anesthetic to this nerve bundle, the procedure can interrupt pain pathways and offer significant, often immediate, relief.
This procedure is especially useful for patients with recurrent or treatment-resistant headaches and facial pain, and it may be used as part of a broader pain management strategy.
What is it?
A sphenopalatine ganglion block treats various types of facial and head pain by applying local anesthetic to a group of nerve cells in the face called the sphenopalatine ganglion.
How is it performed?
Using either a small catheter through the nose or a needle approach guided by fluoroscopy, local anesthetic is applied to the sphenopalatine ganglion. The procedure takes about 15-30 minutes
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Treatment Benefits
SPG blocks can reduce the frequency and severity of headaches and facial pain with minimal invasiveness. The treatment is quick, generally well tolerated, and does not require any incisions. Relief can occur almost immediately and may last from days to weeks depending on the condition being treated. In some cases, repeated treatments can offer longer-lasting effects.
Who Can Benefit From This Treatment
This procedure is often recommended for individuals suffering from chronic migraines, cluster headaches, trigeminal neuralgia, or facial pain unresponsive to medications. It may also benefit patients with head and neck cancer-related pain or persistent post-surgical discomfort. A consultation helps determine if an SPG block fits your symptoms and treatment goals
Learn more about Sphenopalatine Ganglion Block by contacting the Minimally Invasive Spine and Pain Institute—our team is here to help you explore your options.
Aftercare for Sphenopalatine Ganglion Block
After an SPG block, most patients experience minimal downtime and can return to daily activities the same day. Some may feel temporary numbness, a bitter taste, nasal congestion, or mild throat irritation, especially if the procedure is performed through the nasal passage. These symptoms are generally short-lived and resolve within a few hours. Full pain relief may be immediate or develop gradually over the next day.
Tips for a Smooth Recovery
Follow these guidelines to support healing after a sphenopalatine ganglion block:
- Avoid blowing your nose forcefully for several hours if the nasal approach was used
- Stay upright for a few hours to allow medication to settle properly
- Use over-the-counter saline spray if nasal dryness or congestion occurs
- Refrain from strenuous activity for the remainder of the day
- Notify your provider if you experience increased pain, bleeding, or prolonged numbness