TL;DR Quick answer
A sympathetic nerve block in the neck for selected arm and facial pain conditions. It is commonly used for complex regional pain syndrome. The procedure takes about 10–15 minutes and is day care. Suitability is decided after a specialist assessment.
Medically reviewed by Dr. Nikhilesh Samudrala — Consultant Pain Physician View full profile →
About Stellate Ganglion Block
The stellate ganglion is part of the sympathetic nervous system in the lower neck. Blocking it is used for complex regional pain syndrome of the arm and some other pain conditions.
| Key facts | Details |
|---|---|
| Duration | 10–15 minutes |
| Anaesthesia | Local |
| Guidance | Ultrasound or X-ray |
| Hospital stay | Day care, home the same day |
| Commonly used for | Complex Regional Pain Syndrome |
| Who to see | Dr. Nikhilesh Samudrala, Consultant Pain Physician |
Benefits
- No surgical incision
- Day-care procedure: home the same day
- Precise, image-guided placement
- Can be combined with rehabilitation
Before the procedure
Tell the clinic if you take blood thinners, have diabetes, an infection, or could be pregnant. You will receive specific instructions, including whether to fast and whether someone should take you home.
During the procedure
You lie on your back. Using ultrasound or X-ray guidance, local anaesthetic is injected near the ganglion in the front of the neck.
After the procedure
You rest for a short time before going home, usually the same day. Mild soreness at the injection site for a day or two is common. Follow-up checks how much the procedure helped.
Risks and safety
Temporary droopy eyelid, hoarse voice, a warm arm or difficulty swallowing are expected and wear off within hours. Rare risks include bleeding and infection. The doctor discusses the benefits and risks for you before you consent.
Myths and facts
Myth Injections near the spine or nerves are very painful.
Fact The skin is numbed first. Most people feel pressure and brief discomfort.
Myth One injection fixes the problem for good.
Fact The effect varies. Some people need a repeat procedure, and most benefit from exercise and follow-up as well.
| Condition | What it is | Typical symptoms |
|---|---|---|
| Complex Regional Pain Syndrome | Severe, persistent limb pain with changes in skin colour, temperature or swelling. | Pain out of proportion to the injury; swelling, colour or temperature changes |
This page is for general information. Whether a treatment is suitable for you is decided after an individual consultation.