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Pain relief after surgery

Operations cause pain. If you have good pain control after the operation, you should get up and about more quickly and may go home sooner.

Medical practitioner wearing blue surgical latex gloves holding medicine bottle

There are five common types of pain relief for operations.

There are a few ways of getting pain relief during an operation, which is why it’s important to learn about each one.

What are the benefits of pain relief?

Operations cause pain. If you have good pain control after the operation, you are less likely to have a heart attack (where part of the heart muscle dies), a chest infection and blood clots. You should also get up and about more quickly and may go home sooner.

Simple painkillers

You can use these on their own or combined with other painkillers. After the operation take simple painkillers such as paracetamol, anti-inflammatory painkillers such as ibuprofen, and codeine or similar painkillers such as tramadol. Although these painkillers may not completely treat your pain, if you take them regularly they reduce the amount of other painkillers you might need.

What complications can happen?

  • Paracetamol is exceptionally safe in normal doses
  • Anti-inflammatory painkillers can sometimes cause stomach irritation
  • Anti-inflammatory painkillers can make asthma worse but most people with asthma are not affected
  • Codeine or similar painkillers can make you feel sick or light-headed. They can make you itch and almost always cause some degree of constipation.

Morphine and similar painkillers

For more severe pain you may be given morphine or similar painkillers such as pethidine, diamorphine or oxycodone.

Intravenous delivery (using a drip)

The most common intravenous delivery is a technique known as patient-controlled analgesia or PCA. This involves connecting a pump, containing the painkillers, to a drip (small tube) in a vein. The pump has a button that you will be given to hold and when you press the button a small dose of painkillers will be given.

Other ways of giving morphine and similar painkillers

The painkillers can be given by mouth once you are eating and drinking normally. The painkillers can be given by injection either under your skin (subcutaneous) or into the muscle (intramuscular).

What complications can happen?

  • Itching
  • Constipation
  • Feeling or being sick
  • Respiratory depression, where your breathing slows down too much
  • Confusion

Local anaesthetic infusion

You may be given a local anaesthetic infusion to help control the pain in the area around your wound and to reduce the amount of other painkillers you need. A balloon device delivers the anaesthetic through a catheter (tube) to your wound or to the nerves that supply the area of your wound.

What complications can happen?

  • Failure of the infusion
  • The catheter moving out of place or leaking anaesthetic outside of your wound
  • Allergic reaction
  • Local anaesthetic toxicity

Epidural anaesthetic

An epidural involves inserting a fine catheter (tube) into the epidural space (an area near your spinal cord). Local anaesthetics and other painkillers are injected down the catheter into the epidural space to numb your nerves. Sometimes the anaesthetic is injected continuously (an infusion). The dose can be varied by the healthcare team.

What complications can happen?

  • Low blood pressure
  • Headache
  • Respiratory depression, where your breathing slows down too much
  • Seizures
  • Unexpected high block
  • Infection around your spine
  • Cardiovascular collapse (where your heart stops)
  • Nerve damage
  • Blood clot around your spine
  • Damage to nerves supplying your bladder and bowel
  • Paralysis or death

Peripheral nerve blocks

You may be offered a peripheral nerve block to give pain relief after an operation on your arm or leg. A nerve block works by temporarily numbing your nerves to give pain relief. This involves injecting local anaesthetics and other painkillers near the major nerves to your arm or leg.

What complications can happen?

  • Failure of the nerve block
  • Allergic reaction
  • Bleeding
  • Nerve damage
  • Local anaesthetic toxicity

Summary

Pain after an operation is common but there is no need for you to be in a lot of pain. Pain relief after surgery is usually safe and effective but complications can happen. To find out more, call us on 0808 101 0337 or make an online enquiry

Acknowledgements

Author: Mr Andrew Sidebottom FDSRCS FRCS
Illustrator: Medical Illustration Copyright © Nucleus Medical Art. All rights reserved. www.nucleusinc.com

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Mr David Andrew Evans

Consultant General Surgeon

MBBS, FRCS (Ed) MD, CST (EC), T(S), RCPathME.

The Beardwood Hospital

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Mr Khurram Siddique

Consultant General and Colorectal Surgeon

MBBS, MRCS, MS (Kent), FCPS, FRCS Ed

The Highfield Hospital

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Mr Abdulzahra Hussain

Upper GI/Bariatric

MBCHB, FRCSEng, FRCSI, FRCS(GS), FEBS(Gen.Surg), FICMS(Gen.Surg)

The Blackheath Hospital 1 more Chelsfield Park Hospital

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Mr John Simpson

Consultant General Surgeon

MBchB PHD FRCS_x000D_  

The Duchy Hospital

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Mr Peter Kang

Consultant Laparoscopic Colorectal and General Surgeon

MBChB, MRCS, FRCS GenSurg, PGCME

Three Shires Hospital

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Dr Yasser Mehrez

Consultant In Pain Medicine, Anaesthesia and Intensive Care

MBChB, FRCA, MSc Anaesthesia, FFPMRCA

The Saxon Clinic

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