Preparing for epidural anaesthesia

Overview

Epidural anaesthesia is a type of pain relief given through a small, thin tube placed in the space around the spinal cord in your lower back. It numbs the lower part of your body so you feel no pain during surgery or childbirth, while you stay awake.

Yes, epidurals are a standard and widely used form of pain relief in hospitals, especially for childbirth and certain operations.

Anyone having a procedure that benefits from numbing the lower body, including people in labour, patients undergoing knee or hip surgery, and those requiring certain abdominal or pelvic operations.

Symptoms

Common symptoms

• Numbness or loss of sensation in your legs and lower belly
• Weakness or inability to move your legs temporarily
• A feeling of heaviness in the legs
• Drop in blood pressure, which may cause lightheadedness

Symptoms in children

• Children may feel restless or cry because they cannot move their legs
• They may complain of tingling, but cannot describe it clearly
• Watch for any signs of discomfort, such as grimacing or unusual stillness

Symptoms in older adults

• Older adults might be more sensitive to changes in blood pressure
• They may have a slower recovery of leg movement after the epidural wears off
• Confusion or dizziness can occur, especially if blood pressure drops

Causes

Main causes

• Epidural anaesthesia is not caused by a disease; it is deliberately given to provide pain relief.
• The decision to use an epidural is based on the type of surgery or the mother's choice during labour.
• Complications can arise if the needle or tube irritates nearby structures or if an infection develops.

Risk factors

• Taking blood-thinning medicines (like warfarin or heparin – always tell your anaesthetist)
• Having a low platelet count or a bleeding disorder
• Having a spinal condition such as scoliosis or previous back surgery
• Having an infection near the injection site (like a skin abscess)
• Having a history of severe headaches or migraines

When to see a doctor

See a doctor urgently if:

• If you develop a severe headache after the epidural that does not go away with rest and pain relievers
• If you notice any signs of infection at the injection site (redness, warmth, pus) or a fever
• If you suddenly lose bladder or bowel control after the procedure

Book a routine appointment if:

• Schedule a pre-operative assessment with your anaesthetist to discuss your medical history and any concerns
• Ask your midwife or surgeon about what to expect during the epidural placement
• If you are worried about possible side effects, talk to your healthcare team in advance

Diagnosis

The need for an epidural is determined by you and your healthcare team based on your medical history, the type of procedure you are having, and your pain management goals.

Tests that may be done

• Your anaesthetist will review your medical records and ask about any medicines you take
• Blood tests may be done to check your clotting ability
• A physical exam, including checking your back for signs of infection or spinal issues

What to expect at your appointment

During the pre-assessment, the anaesthetist will explain how the epidural works, how it is placed, and what you will feel. You will be asked to sign a consent form. The procedure itself takes about 10–15 minutes, and you will be awake but numbed from the waist down.

Treatment

Epidural anaesthesia is a treatment for managing pain during surgery or labour. A thin tube is placed in your back, and medicine is delivered continuously or as needed to keep you comfortable.

Self-care at home

• Follow fasting instructions (no food or drink for a specified time before the procedure)
• Stay well hydrated, unless told otherwise by your anaesthetist
• Tell your healthcare team about any cold sores, skin infections, or recent illnesses
• After the epidural, rest and avoid sudden movements until the numbness wears off

Medical treatments

The epidural itself is the medical treatment. The anaesthetist may give a single injection or use a pump to deliver medicine over several hours. Sometimes a combination of medications is used to improve pain relief with fewer side effects. If you need a cesarean section, a stronger dose may be given. Your anaesthetist will adjust the dose based on your response.

When is surgery considered?

Epidurals are very commonly used for surgeries on the lower body, such as hip replacements, knee replacements, hernia repairs, and caesarean sections. They allow you to stay awake during the operation without feeling pain.

Living with this condition

After an epidural, you will stay in a recovery area until the numbness wears off (usually 2–4 hours). You may need help to walk to the bathroom at first because your legs may feel weak. Most people return to their normal activities within a day.

Lifestyle tips

• Avoid driving until you can move your legs normally and are no longer taking strong pain relievers
• Do not lift heavy objects for at least 24 hours after the procedure
• If you had an epidural for labour, you may need help with baby care until sensation returns

Diet and exercise

You can eat and drink normally after the epidural wears off, but start with light foods. Gentle walking as soon as you feel able can help prevent blood clots. Avoid strenuous exercise for a day or two.

Mental health and emotional wellbeing

Some people feel anxious about the idea of a needle in their back. It is normal to be nervous. The anaesthetist will use a local anaesthetic to numb the area first. If you feel distressed during the placement, tell your team – they can pause or offer comfort. Having good pain control can actually reduce stress during labour or surgery.

Prevention

Complications from an epidural are not common, but you can help reduce risk by sharing your complete medical history with your anaesthetist and following pre-procedure instructions carefully.

Screening programmes

A pre-anaesthesia assessment is a form of screening – your anaesthetist will check your blood pressure, pulse, and any blood test results to make sure it is safe to proceed.

Complications

If left untreated

• A spinal headache (if the spinal membrane is punctured) can last for days if not treated
• An epidural abscess (infection) can cause permanent nerve damage if not treated quickly
• A blood clot (epidural hematoma) may press on the spinal cord, leading to leg weakness or paralysis

Long-term outlook

Serious complications from epidurals are very rare. Most side effects, like a mild headache or temporary backache, go away on their own or with simple treatments. Your healthcare team is trained to spot and manage any problems quickly. With proper preparation and care, epidurals are a safe and effective way to manage pain.

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