Image-guided steroid injection
An injection of steroid (usually with local anaesthetic) placed accurately using a scan — ultrasound, X-ray (fluoroscopy) or CT — to reduce pain and swelling in a joint, soft tissue or around a spinal nerve.
✓ Medically reviewed by a GMC-registered consultant · last reviewed September 2026 · next review September 2027 · how we review
In short
- It calms inflammation and pain so you can move and rehabilitate — it does not repair a joint, disc or nerve, and the cause usually remains.
- Relief is often temporary and very variable, from a few weeks to several months, and some people get little benefit.
- Most people go home the same day; spinal injections in particular need someone to take you home and a watch for rare nerve symptoms.
- There are limits on how often a site should be injected, and a small infection risk, so it belongs within a planned, well-supervised pathway.
A plain-English summary. The detail — including risks and recovery — is below.
At a glance
A general guide. Your radiologist will give you advice for your situation.
Can reduce pain and inflammation for weeks to months
You have an active infection, especially near the target, or are generally unwell.
If local anaesthetic was used you may feel numb and more comfortable, or temporarily heavy or weak after a nerve injection. This early effect can wear off...
Clear written advice on the possible flare and, for spinal injections, the emergency warning signs.
If local anaesthetic was used you may feel numb and more comfortable, or temporarily heavy or weak after a nerve...
A 'steroid flare' of increased pain can occur and usually settles with rest, ice and simple pain relief. Any minor...
The steroid typically begins to work and pain and inflammation start to ease. Many people notice improvement in...
The fuller effect is usually clear. This is a good time to judge the benefit and to step up exercises or...
What is an image-guided steroid injection?
An image-guided steroid injection puts a strong anti-inflammatory medicine (a steroid), usually mixed with local anaesthetic, into a precise spot to reduce pain and swelling. "Image-guided" means a radiologist uses a scan to see exactly where the needle is going. Depending on the target this may be ultrasound, X-ray screening (fluoroscopy) or CT.
Guidance is used when the target is deep, small or close to important structures — for example a hip joint, a spinal facet joint, or the space around a nerve root in the back or neck. Seeing the needle helps place the medicine accurately and avoid nearby nerves and blood vessels.
It helps to be clear about what the injection can and cannot do. It aims to calm inflammation and ease pain so you can move, sleep and rehabilitate better. It does not repair a worn joint, a bulging disc or a trapped nerve, and the underlying problem usually continues. It works best as part of a wider plan rather than on its own.
Results vary a great deal. Some people get good relief for months, some for only a few weeks, and some get little benefit. Your radiologist or specialist should explain how likely it is to help you, and what the plan is if it does or does not work.
Types, options & approaches
There may be different ways to do this. The right approach depends on the clinical question and your circumstances.
Image-guided vs landmark ('blind') injection
| Point | Image-guided | Landmark/blind |
|---|---|---|
| Needle placement | Seen on a scan | By feel and surface marks |
| Best for | Deep, small or risky targets | Easy, superficial targets |
| Confirmation | Position can be confirmed | Not directly confirmed |
| Setting | Imaging room | Clinic room |
Guidance improves placement accuracy, especially for hard targets. Whether it always gives better symptom relief than a blind injection depends on the site and is still debated.
Preparing for your procedure
- Tell the team about all medicines, especially blood thinners (warfarin, apixaban, rivaroxaban, clopidogrel), which may need pausing — this matters most for spinal injections.
- Mention diabetes — steroid can raise blood sugar for several days, so plan to monitor it.
- Tell them about allergies, including to X-ray dye (contrast) if fluoroscopy or CT will be used.
- Let them know if you have, or might have, an infection or feel unwell, as the injection should usually be delayed.
- Say if you are or might be pregnant — X-ray-guided injections are generally avoided in pregnancy.
- Arrange for someone to take you home if a spinal injection or any sedation is planned.
- Ask whether to keep taking your usual pain relief and how to manage on the day.
What happens
You lie or sit in the position that gives the best view of the target. The skin is cleaned and a small amount of local anaesthetic is often used to numb the area first.
Using the chosen imaging — ultrasound, live X-ray or CT — the radiologist guides a thin needle to the exact spot, watching it on screen. With X-ray or CT, a little contrast dye may be injected first to confirm the position before the steroid goes in. You may feel pressure, aching or a brief pulse of your usual pain as the medicine is given.
The needle is then removed and a small dressing applied. There is a needle puncture but no surgical cut, stitch or surgical scar. The appointment usually takes about 15 to 45 minutes depending on the target, and most people go home shortly afterwards.
Is this procedure right for me?
A good consultation should explore whether it's the right choice for you now — including reasons to wait or consider something else.
May not be suitable if…
- You have an active infection, especially near the target, or are generally unwell.
- You take blood thinners that cannot be safely paused — particularly relevant for spinal injections.
- Your pain is not coming from a structure an injection can reach or help.
- You have poorly controlled diabetes where a steroid-driven sugar rise would be hard to manage.
- You have already had the maximum sensible number of injections at that site.
Delay or rearrange if…
- You have any current infection or unhealed skin over the target.
- Your blood thinners have not yet been checked or managed.
- You are or might be pregnant and an X-ray-guided injection is planned.
- You have new or worsening neurological symptoms that need investigation first.
- You have other surgery or vaccination due soon — ask about timing around steroid.
Alternatives to discuss
- Physiotherapy, exercise and activity changes as a first or parallel approach.
- Pain-relief or anti-inflammatory medicines where suitable.
- For spinal pain, a period of rehabilitation before considering injection or surgery.
- Watchful waiting if symptoms are mild or improving.
- Surgical or other specialist treatment if the underlying problem is advanced.
Before you decide
Use this as a shared-decision checklist. The aim is not just “can this be done?”, but whether it is right for you, now, with the risks and alternatives clearly understood.
What matters most to me?
Think about symptoms, daily life, work, caring responsibilities, sport, fertility, travel, appearance and anxiety — the right choice depends on your priorities, not just the medical facts.
What are all my options?
Ask about waiting, monitoring, medicines, rehabilitation, a smaller or larger procedure, a different test, NHS referral, or a second opinion where that would help.
What would make me pause?
Active infection, pregnancy, unstable medical problems, smoking, medicines that increase bleeding, poor support at home, or feeling pressured are all reasons to slow down and get tailored advice.
What happens if I do nothing today?
For some problems, waiting is safe; for others, delay can make treatment harder. A good consultation should explain the trade-off in plain English.
Comfort, sedation or contrast choices
If local anaesthetic, sedation, contrast or pain relief is used, ask what is planned, why, and what it means afterwards.
Benefits
- Can reduce pain and inflammation for weeks to months
- Accurate placement, including for deep, small or sensitive targets near nerves
- Position can be confirmed with imaging before the steroid is given
- Can ease nerve pain such as sciatica enough to make rehabilitation possible
- Can act as a test to confirm which structure is causing your pain
- Usually an outpatient procedure with little time off
Risks & complications
- A short flare of pain in the first day or two before the steroid works
- Bruising or soreness at the puncture site
- Facial flushing and warmth for a day or two
- Little or only temporary relief in some people
- A short-lived rise in blood sugar, more noticeable with diabetes
- Thinning, dimpling or lightening of skin or fat at the site
- Temporary disturbance of menstrual periods
- Temporary numbness, weakness or heaviness after a spinal or nerve injection
- A headache after some spinal injections
- Infection at the site, in a joint or, rarely, around the spine — a serious emergency
- Bleeding, including, very rarely, a collection of blood pressing on spinal nerves
- Nerve injury, or a severe headache from a leak of spinal fluid
- Allergic reaction to the steroid, local anaesthetic or contrast dye
The risks that matter most depend on the target. For spinal and nerve injections, the important but rare concerns are infection around the spine, bleeding pressing on nerves, and nerve injury — so blood thinners, infection and any new leg weakness or loss of bladder or bowel control must be taken seriously. For joints and tendons, the main concerns are joint infection and tendon weakening. Ask which risks apply to your specific injection and what urgent symptoms to watch for.
Published figures to discuss
Reliable figures vary widely by site, technique and patient, and serious complications are rare, so only cautious ranges are given. Spinal injections carry rare but specific neurological risks that joint injections do not.
| Figure | Reported range | How to interpret it | Source / confidence |
|---|---|---|---|
| Joint infection (septic arthritis) after joint injection | Roughly 1 in 3,000 to 1 in 50,000 injections in published series | Rare but a serious emergency; higher in people who are immunocompromised. | Risk of septic arthritis after corticosteroid joint injections — PMCpmc.ncbi.nlm.nih.govPublished figure |
| Serious complications after spinal/epidural steroid injection | Rare; serious neurological events are uncommon in large series | Includes infection, bleeding pressing on nerves and nerve injury; exact rates vary by approach and source. | Risk of septic arthritis after corticosteroid joint injections — PMCpmc.ncbi.nlm.nih.govSource-linked context |
| Temporary blood-sugar rise after steroid injection | Common in people with diabetes for a few days | Glucose monitoring advice should be given before steroid injection. | Guide sourcesClinical context |
| Pain relief being short-lived or absent | Common | Image guidance improves accuracy but cannot guarantee that the injected structure is the true pain generator. | Guide sourcesClinical context |
These are literature figures, not a personalised prediction. Your own risks and likely benefits depend on your circumstances, your health, and how your care is carried out and followed up.
What happens afterwards
There is little physical recovery from the injection itself, but what to expect afterwards depends on the target. Joint and soft-tissue injections often need only a quiet day or two; spinal and nerve injections need someone to take you home and a watch for rare nerve symptoms.
- Mild soreness or bruising at the puncture site
- A short flare of the original pain before improvement
- Warmth or flushing in the face for a day or two
- Temporary heaviness or numbness in a limb after a nerve or spinal injection
- Gradual rather than instant relief
Aftercare
- Take it easy for the rest of the day; rest a treated joint or tendon for a day or two.
- Use simple pain relief and ice if you get a flare.
- Keep the puncture site clean and dry until it seals.
- If you have diabetes, monitor blood sugar more closely for a few days.
- After a spinal or nerve injection, avoid driving that day and have someone with you.
- Restart prescribed exercises or physiotherapy once any flare settles.
- Know the warning signs and who to contact, especially after spinal injections.
- Lift home arranged if a spinal injection or sedation is planned
- Simple pain relief and an ice pack at home
- Blood-sugar monitoring ready if you have diabetes
- List of urgent warning signs saved
- Clinic or out-of-hours contact number saved
- A note of the date, site and type of injection
- Physiotherapy or exercise plan to restart
⚠ Get urgent help if…
- New or worsening weakness, numbness or pins and needles in a limb after a spinal or nerve injection
- Loss of control of your bladder or bowels, or numbness around the back passage — call 999
- Severe or worsening headache after a spinal injection, especially when sitting or standing
- Increasing severe pain, redness, heat or swelling at or near the injection site
- Fever, chills or feeling generally unwell
- A new rash, facial or lip swelling or difficulty breathing (possible allergic reaction — call 999)
Who to contact: your clinician, clinic or test provider first (keep their number to hand). For urgent advice when you can't reach them, call NHS 111. In an emergency, call 999.
General guidance — it doesn't replace the specific advice your radiologist gives you.
Results & realistic expectations
A good result is less pain and inflammation so you can move, sleep and rehabilitate more easily, often clear within a couple of weeks. The injection does not repair a worn joint, a disc or a trapped nerve, so it cannot stop the underlying problem progressing, and feeling better does not mean the cause has gone.
Even temporary relief can be useful information: if a targeted injection helps, it tells your specialist where your pain is coming from and what might help next, including whether further treatment or surgery is worth considering.
Relief lasts from a few weeks to several months and is difficult to predict. There are limits on how often a site should be injected — often no more than around three times a year in one area — because repeated steroid can affect cartilage, tendons and bone. If you find you need frequent injections, that usually signals a need to review the whole plan rather than keep repeating them.
Related tests, treatments or support
Image-guided steroid injections are usually one part of a wider plan that includes physiotherapy, exercise, pain-relief medicines, activity changes and, where relevant, treatment of the underlying condition. For spinal pain, an injection may be used to buy time for rehabilitation or to help decide whether surgery is needed.
Follow-up & long-term care
You will usually be reviewed after a few weeks to assess the response and decide the next step, often by the specialist who referred you rather than the radiologist who gave the injection. You should be told clearly who to contact if symptoms return or if you develop any urgent warning signs.
- Keep up exercises or physiotherapy to hold on to any improvement
- Avoid overloading a treated tendon, especially early on
- Track how long relief lasts so repeat injections can be judged sensibly
- Review the plan if frequent injections in the same area are needed
Repeat, follow-on and what comes next
- Relief is often temporary, so repeat injections may be considered up to a sensible limit per site.
- If an injection gives no benefit, repeating the same injection is unlikely to help and the plan should be reviewed.
- For spinal pain, a poor or short response may shift the conversation towards rehabilitation or surgery.
Ask what happens if the result is unclear or needs repeating, and what is included if further tests or follow-up are needed.
What good aftercare looks like
- Clear written advice on the possible flare and, for spinal injections, the emergency warning signs.
- A named contact and urgent-care route if problems arise.
- A plan to review the response after a few weeks and decide the next step.
- Joined-up care with the referring specialist or physiotherapist.
- A record of the date, site, imaging and medicine used so future injections can be tracked.
What affects the cost
Costs vary a great deal between people and providers, and we don't publish prices. What matters is understanding what drives the cost and making sure your quote is complete. The main things that affect it:
- Which imaging is used (ultrasound, fluoroscopy or CT) and the equipment involved
- The target site and how technically difficult and time-consuming it is
- Whether contrast dye is needed to confirm needle position
- Whether one or more sites are injected in the same session
- The cost of any consultation before and review after the injection
- The facility or imaging-suite fee
- The operator's fee and who will perform the injection
- The imaging/facility fee, including any contrast dye
- Whether a consultation and a follow-up review are included
- What a repeat injection would cost if needed
- Whether sedation, if used, is included
- The cancellation policy
- What is covered if you have a complication that needs review
On the NHS? Image-guided steroid injections are provided on the NHS when clinically indicated; private access is often used for speed, choice of operator or convenience.
You're entitled to your total cost in writing — including reports, follow-up and what happens if the result is inconclusive — before you decide.
Consent traps and marketing red flags
These are not small details. They are often where patients lose choice, time to reflect, or realistic expectations.
Consent traps
- Being given the injection as if it were a cure rather than temporary, plan-based relief.
- No discussion of how many injections you have already had or the limit for that site.
- For spinal injections, no clear warning about rare nerve risks or the emergency signs to watch for.
- No mention of flare, skin changes or a rise in blood sugar.
- No clear plan or contact route if symptoms return or a complication occurs.
Marketing red flags
- Claims that an injection will 'cure' arthritis, a disc problem or a trapped nerve.
- Promises of guaranteed or permanent relief.
- Offering repeated injections without reviewing the wider plan.
- Describing the procedure as 'without risks' or 'usually not painful'.
- Pressure to have multiple sites injected without clear justification.
Choosing a specialist safely
- Check the radiologist is on the GMC Specialist Register for this area.
- Make sure they work at a CQC-registered service, and look for membership of the relevant Royal College or professional body.
- You're entitled to time to consider and to have your questions answered before you agree — the radiologist who looks after you should explain it, not a salesperson.
- Be wary of pressure: time-limited offers or deposits taken before you've had time to think are red flags, not bargains.
- You're entitled to your total cost in writing — including any follow-up — before you decide.
Questions to ask your medical professional
Take this to your consultation. A good radiologist will welcome every one of these.
- Which imaging will be used to guide my injection, and why is guidance needed for my target?
- How likely is it to help my problem, and for how long?
- What are the specific risks for this target, and which urgent signs should I watch for?
- Do I need to stop any blood thinners, and how should I manage my diabetes around it?
- How many times can this site safely be injected, and what is the plan if it does not help?
- How does this fit with physiotherapy and any decision about surgery?
- Are you on the GMC Specialist Register for this area, and which Royal College or professional body are you a member of?
- Will you be the radiologist who carries out my procedure, and who looks after me afterwards?
- What are the risks for someone like me, and how often do your own patients have a problem or need it repeated or redone?
- What does a realistic result look like — and what can this procedure not achieve?
- What are my options, including waiting, doing nothing for now, or choosing a different approach?
- Can I have written information, results and aftercare instructions in a format I can use, including any accessibility or communication support I need?
- What is the total cost in writing, including any follow-ups, and how much time do I have to decide?
Frequently asked questions
Will this fix the cause of my pain?
Why is a scan used to guide it?
How soon will it work and how long will it last?
Is a spinal steroid injection dangerous?
How many can I have?
Can I get this on the NHS?
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How we made this page
Medically reviewed by a GMC-registered consultant. Written in plain English, checked against NHS, NICE, GMC and relevant Royal College / specialist-society guidance, and kept under review. No clinic paid to appear on this page, and we publish no pricing. This is general information to help you prepare — it is not a substitute for advice from your own clinician. How we review our guides →
Source hierarchy: UK regulator and NHS/NICE guidance first, then relevant Royal College or specialist-society guidance, then peer-reviewed evidence for procedure-specific figures where available.
Sources & standards: NHS — Steroid injections Versus Arthritis — Steroid injections Gloucestershire Hospitals NHS — X-ray or ultrasound guided steroid joint injections Royal Devon NHS — MSK ultrasound and image-guided steroid injections Versus Arthritis — Epidural injections Risk of septic arthritis after corticosteroid joint injections — PMC
Reviews reflect patients' experience of care, not clinical outcomes. For procedure volumes and outcome data see PHIN.
Last medically reviewed 2026-09-21. Spotted something wrong or out of date? Report an error in this guide.
Related guides: Ultrasound-guided joint or soft-tissue injection · Image-guided biopsy · Bone scan · CT scan · Fluoroscopy (including barium studies)