BBC Sport Academy | Treatment Room | Features | What is a cortisone injection?

BBC Sport Academy tells you all you need to know about cortisone injections.

What is cortisone?
It is a substance very similar to a steroid which is produced by the body.

An injection of extra cortisone increases the body's ability to reduce pain, heat, redness and swelling of the joints.

Duncan Ferguson has been treated with cortisone in a bid to save his career.

Ferguson future in doubt

When are cortisone injections required?

When pain due to swelling is severe

When other medication can not be used

If joints are preventing activity

How does the injection help?
It reduces pain, increases mobility and reduces the need for other medication.

How often do you need one?
No more than once a month in one joint. You should never have more than four a year.

How long does it take before the cortisone begins to work?
Cortisone takes effect between 24-36 hours. It can benefit you for weeks and sometimes months.

What should I do if I have a cortisone injection?

Rest the joint for 24 hours

Avoid excessive movement for seven days

If there is pain apply ice

Contact your doctor if you feel unwell


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