Nerve Blocks and Regional Anaesthesia: What You Should Know

If you’re having surgery, you might hear your anaesthetist mention a nerve block or regional anaesthesia. These techniques are safe, effective, and can improve your comfort during and after your procedure.

What Is a Nerve Block?

A nerve block involves injecting local anaesthetic near specific nerves to numb the area of your body being operated on — for example, your shoulder, arm, leg, or tummy. It can be used on its own or alongside general anaesthesia or sedation.

How Is It Used?

• In many cases, nerve blocks are used together with general anaesthesia or sedation to reduce pain during and after surgery.

• In some procedures, the nerve block can be the entire anaesthetic — meaning you stay awake (often with light sedation) but feel no pain in the area being operated on. This can be a great option for certain types of surgery and patients.

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Why Use One?

• Better pain relief — often reducing or removing the need for strong painkillers like opioids

• Fewer side effects — less nausea, drowsiness, and risk of breathing problems

• Faster recovery — you may be more alert and mobile after your procedure

Some nerve blocks can last for several hours, and in some cases we can place a small catheter to extend pain relief for a day or two after surgery.

Is It Safe?

Yes — nerve blocks are performed using ultrasound guidance for precision and safety. You’ll be monitored closely the entire time. We’ll always explain the risks and benefits and answer any questions before proceeding.

Bottom line: Nerve blocks are a powerful tool to keep you comfortable and safe during surgery. If one is recommended for you, it’s because we believe it will improve your experience and recovery.

— Dr. Ben Hew

MBBS, FANZCA

Specialist Anaesthetist