Pain relief after surgery (Post-operative pain management (multimodal analgesia))

What is post-operative pain management?

Post-operative pain management is the plan for controlling pain after an operation. Good pain relief is not just about comfort — it helps you breathe deeply, move, eat and recover, which lowers the chance of complications such as chest infections and blood clots.

Modern practice uses 'multimodal' (or 'balanced') pain relief: combining several different types of pain relief that work in different ways, so each can be used at a lower dose with fewer side effects. A typical plan uses regular paracetamol as a base, often an anti-inflammatory where suitable, local anaesthetic techniques such as nerve blocks or wound numbing, and stronger opioid painkillers when needed.

A key principle is that strong opioids are used for as short a time as possible. They are valuable in the first days, but carry side effects and risks if used longer than needed, so the plan steps down as your pain settles.

The realistic aim is pain that is manageable enough to let you move and recover — not necessarily no pain at all. Your pain should be checked regularly, and the plan adjusted to you.

Types, options & approaches

There may be different ways to do this. The right approach depends on the clinical question and your circumstances.

Multimodal vs opioid-only pain relief

Most modern care uses a multimodal plan. The exact mix is tailored to your surgery, your health and what you can take.

Preparing for your treatment

• Before surgery, ask your anaesthetist what the pain-relief plan will be, including whether a nerve block or PCA pump is planned.
• Tell the team which pain relievers you can and cannot take (for example anti-inflammatory medicines if you have stomach, kidney or heart problems).
• Mention any previous problems with painkillers, such as severe sickness with opioids or allergies.
• Share any history of opioid use, dependence or addiction so your plan can be safe and supportive.
• List your usual medicines, including any you already take for pain.
• Ask how pain will be assessed and how you can let staff know if it is not controlled.
• Plan for pain relief at home, including how long to take any opioid and how to stop it.

What happens

Your pain-relief plan usually starts during the operation, with the anaesthetist giving pain relief and often a local anaesthetic technique such as a nerve block or wound numbing. After surgery you are given regular pain relief such as paracetamol, often an anti-inflammatory, and stronger painkillers when needed — sometimes through a patient-controlled pump (PCA).

Staff regularly ask about your pain, often using a simple score, and check for side effects such as drowsiness, sickness and constipation. The plan is adjusted to keep you comfortable enough to move, breathe deeply and recover. A hospital acute pain team may be involved for more complex pain.

As your pain improves, stronger medicines are reduced and stopped, leaving simpler pain relief. When you go home, you should have a clear plan: which medicines to take, how long to take any opioid, how to reduce it, and who to contact if pain is not controlled.

Is this treatment 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.

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.

The main tension in pain relief is balancing good comfort against side effects — especially from opioids, which can slow breathing, cause constipation and, if used longer than needed, lead to dependence. Tell the team if you cannot take anti-inflammatories, if you have had problems with opioids, or if you have any addiction history. Ask how long any opioid is meant to last and how you will stop it. Poorly controlled pain should always be reported, not endured.

Published figures to discuss

Side effects depend on which medicines are used. Opioids commonly cause constipation, nausea and drowsiness; anti-inflammatories suit many people but not all. Serious problems such as clinically important slow breathing are uncommon when pain relief is monitored and opioids are kept to the shortest time needed. Rates vary by patient and operation, so figures should be treated cautiously.

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

Most pain after surgery is at its worst in the first days and eases over the following days to weeks, depending on the operation. Pain relief is stepped down as you improve, and strong opioids are stopped as soon as they are no longer needed.

• Pain that is worst in the first days and gradually eases
• Some discomfort on moving that improves day by day
• Drowsiness or constipation while taking opioids
• Needing less pain relief as the days pass
• Occasional aches as you become more active

Aftercare

• Take regular pain relief as advised rather than waiting for pain to become severe.
• Use stronger painkillers only as directed, and reduce them as your pain eases.
• Expect constipation with opioids and use the measures advised to prevent it.
• Do not drink alcohol or drive while taking opioids that make you drowsy.
• Keep moving gently as advised, as this aids recovery and pain control.
• Store opioids safely and return any you do not need.
• Tell the team if pain is not controlled, or if side effects are troubling.
• Know who to contact after discharge about pain or medicines.

• Clear written pain-relief plan understood before discharge
• Knowing how long to take any opioid and how to reduce it
• List of which pain relievers you can and cannot take
• Any opioid history or concerns shared with the team
• Anti-constipation measures arranged if on opioids
• Safe storage and return route for unused opioids
• Contact details for pain advice after discharge

⚠ Get urgent help if…

• Severe pain that is not controlled despite taking pain relief as directed
• Breathing that feels very slow or difficult, or being unable to stay awake
• Pain that suddenly changes or worsens, with fever, redness or swelling at the wound
• Calf pain or swelling, or chest pain and breathlessness (possible clot)
• Repeated vomiting or being unable to keep medicines or fluids down
• A rash, facial swelling or wheeze suggesting an allergic reaction
• Signs you are relying on opioids more than expected, or struggling to stop them

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 specialist gives you.

Results & realistic expectations

Pain relief after surgery is judged a success when your pain is controlled well enough to let you move, breathe deeply, sleep and recover, while keeping side effects and opioid use to a minimum. The realistic aim is manageable pain, not always no pain at all.

If your pain is poorly controlled, that is important information — it should be reported and the plan adjusted, not simply endured. Persistent or worsening pain can occasionally signal a complication and should be checked.

Related tests, treatments or support

Multimodal pain relief is, by design, a combination — paracetamol, anti-inflammatories where suitable, local anaesthetic or nerve blocks, and opioids when needed, used together so each works at a lower dose. A patient-controlled pump (PCA) or epidural may form part of the plan after bigger operations.

Follow-up & long-term care

Before discharge you should have a clear written pain-relief plan, including how long to take any opioid and how to reduce it. The team should tell you who to contact if pain is poorly controlled, if side effects are troubling, or if you are finding it hard to stop opioids. Occasionally a pain specialist is involved for ongoing pain.

Repeat, follow-on and what comes next

• The pain-relief plan is routinely adjusted to balance comfort and side effects.
• Stronger medicines are stepped down and stopped as pain settles.
• If pain is poorly controlled, other methods are added or the approach is changed.
• Persistent pain beyond expected recovery should prompt review, not simply more opioids.

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

• Regular pain assessment and a plan adjusted to you.
• Multimodal pain relief so opioids can be kept to a minimum.
• A clear, time-limited opioid plan with instructions to reduce and stop.
• Advice on managing side effects such as constipation, and safe storage/return of opioids.
• A named contact for pain advice after discharge and review of persistent pain.

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:

• Whether your care is NHS or private
• The type and size of operation
• The pain-relief methods used (nerve blocks, PCA pump, epidural, medicines)
• Acute pain team or specialist involvement
• Length of hospital stay
• Medicines to take home
• Any follow-up for ongoing pain

• Whether post-operative pain relief is included in a surgical package
• Pain-relief methods provided (medicines, nerve block, PCA, epidural)
• Anaesthetist or pain-team involvement
• Medicines provided to take home
• How long opioids are expected to be needed and the plan to stop them
• Who to contact for pain advice after discharge
• What happens if pain is poorly controlled or a complication occurs

On the NHS? Pain relief after surgery is a standard part of NHS care; private surgical packages should also set out the pain-relief plan and follow-up.

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.

Choosing a specialist safely

• Check the specialist 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 specialist 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.

How Vuemedics verifies every consultant →

Take this to your consultation. A good specialist will welcome every one of these.

• What is my pain-relief plan, including any nerve block or PCA pump?
• Which pain relievers can I take given my health and current medicines?
• How long should I take any opioid, and how do I reduce and stop it?
• How will my pain be checked, and how do I tell you it is not controlled?
• What side effects should I expect, and how can I manage constipation?
• Who do I contact about pain or medicines after I go home?
• 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 specialist who carries out my treatment, 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 treatment 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?

Find a verified specialist for pain relief after surgery

Every consultant is GMC-checked and independently reviewed. Search by postcode and distance, or switch to a map. Ordered by rating, relevance and recency — never by who pays.

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: RCoA — Pain relief after surgery (patient leaflet) RCoA — Peripheral nerve blocks (patient leaflet) Faculty of Pain Medicine / RCoA — Opioids Aware NICE — Perioperative care in adults (NG180) NHS — General anaesthesia (recovery and pain)

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.