Epidural Steroid Injections

What is an Epidural steroid injection?

This injection is given in your epidural space which surrounds the spinal cord that contains the nerve roots which send signals to the brain. These injections can be performed anywhere in your spine dependant on your pain site e.g. neck (cervical), back of chest (thoracic), lower back (caudal or transforaminal epidural).

What does this injection contain?

It is a mixture of local anaesthetic (numbing medication) and steroid (anti-inflammatory).

How does the injection help?

The injection helps by reducing inflammation or swelling around the nerves. It can provide significant pain relief for a different length of time, but it may not be a cure. They are mainly used to treat radicular pain (sciatica or arm pain). The injection also aims to provide you with a pain-free period to help you engage with physiotherapy and do more exercises to improve the core muscle strength.

What will happen to me during the treatment?

The injections are performed under x-ray guidance in the theatres by the Pain Management Consultant. A local anaesthetic will be used to numb the skin before the needle is inserted.

How long will the procedure take?

The procedure usually takes between 15 – 20 minutes however you will be expected to arrive 30 minutes before for consent and ward check.

What are the risks involved?

Failure – may not work well

Worse Headache

Worsening of pain before it gets better

Pain and bruising at the site of injection

Steroid effects e.g. facial flushing, increase in blood sugar for Diabetic patient

Infection is rare

Leg or Arm weakness is a rare complication

Injury or collapse of the lung (Pneumothorax) for the thoracic area only

What happens after the procedure?

You will be moved to the recovery area where the nurse will check your heart rate and blood pressure, followed by transfer to the ward. Your Pain Management Consultant will perform an initial assessment to ascertain the effectiveness and review you before discharge.

Is there a follow-up appointment after the injection?

Yes, your Pain Management Consultant will follow up in 6 - 8 weeks in the Pain clinic to ascertain the effectiveness of the treatment and discuss further management.