FREQUENTLY ASKED QUESTIONS
How long does the injection take to work?
Results can vary. Some patients experience some pain relief immediately.
How long will the injection last?
An SPG block can provide relief from days to months. If this procedure does not help relieve your symptoms, then you may need further evaluation by your referring doctor.
How many injections can I have and how often?
There is no limitation as to how often you can have this procedure done.
What are the side effects?
After your injection, you may have a bitter taste in you mouth due to the local anesthetic. You may also experience temporary dizziness or light-headedness; low blood pressure; numbness of the nose, throat and lips; a mildly bloody nose, tearing or facial flushing; and, rarely, a temporary increase in pain, nasal congestion, or nasal infection.