Into the muscle, usually the upper arm, by a registered nurse. The appointment takes about fifteen minutes.

If you have any pre-existing conditions, are pregnant or breastfeeding, are taking other medicines, or are concerned about your suitability, ask for more information before you book.

It is an injection, so it carries risks, and it is not suitable for everyone. Your nurse will go through your history and your current medicines with you before anything is given, and if there is a reason not to proceed she will tell you.

Soreness, redness or a small lump at the injection site is common and usually settles within a day or two. Less commonly there can be bruising, dizziness or a reaction to the injection. Tell your nurse if anything does not settle.

That depends on your circumstances and it is decided at your consultation. There is no standard schedule and repeat injections are not always appropriate.