Stellate ganglion block (SGB) is a local anesthetic injected into a collection of nerves in the lower end of the neck. It’s commonly used to diagnose or treat circulation problems and nerve pain in the head, neck, chest or arms.
Sympathetically maintained pain (reflex sympathetic dystrophy)
Causalgia (nerve injury)
Complex Regional Pain Syndrom (Type I or II)
Herpes zoster infections (shingles)
Phantom limb pain