TL;DR Quick answer
Precise injections using X-ray or ultrasound guidance to target the source of pain. It is commonly used for sciatica. The treatment takes about 15–45 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 Image-Guided Injections
Image guidance allows medicine to be placed accurately where it is needed, which improves both safety and effectiveness.

| Key facts | Details |
|---|---|
| Duration | 15–45 minutes |
| Anaesthesia | Local |
| Guidance | X-ray or ultrasound |
| Hospital stay | Day care, home the same day |
| Commonly used for | Sciatica |
| Who to see | Dr. Nikhilesh Samudrala, Consultant Pain Physician |
How it works
Using fluoroscopy (live X-ray) or ultrasound, the doctor guides a fine needle to the target, such as a joint, nerve or the epidural space, and injects local anaesthetic and sometimes a steroid.
Who it may help
People with pain from specific joints or nerves that has not improved with other treatment.
Benefits
- Medicine placed precisely where it is needed
- Day-care: home the same day
- Only a fine needle, no incision
- May reduce the need for daily pain medicines
What to expect
Most injections are day-care procedures taking 15 to 45 minutes, with a short recovery period afterwards.

Recovery and follow-up
You will usually go home the same day. Follow-up assesses how well the injection worked.
Risks and safety
Temporary soreness at the injection site is common. Steroids can briefly raise blood sugar in people with diabetes. Infection, bleeding and nerve irritation are rare. Your doctor will discuss your individual risks before consent.
Myths and facts
Myth An injection is a permanent cure.
Fact Relief varies from person to person. Injections often work best as part of a wider plan that includes exercise and rehabilitation.
Myth Spine injections are very painful.
Fact The skin is numbed first. Most people feel pressure and brief discomfort rather than sharp pain.
| Condition | What it is | Typical symptoms |
|---|---|---|
| Sciatica | Pain that travels from the lower back down the leg along the path of the sciatic nerve. | Shooting or burning pain down one leg, often below the knee; numbness, tingling or pins and needles |
Patient guides
Questions patients ask
How long does the injection take?
Most image-guided injections take 15 to 45 minutes, plus a short rest afterwards.
Can I drive home afterwards?
It is best to arrange someone to take you home, especially if sedation was used.
This page is for general information. Whether a treatment is suitable for you is decided after an individual consultation.





