Glossary

Selected words and phrases

axis – line on a graph to measure data. Graphs usually have a vertical axis (y-axis) and horizontal axis (x-axis). An axis should show what is being measured and the units of measurement, eg ‘time (in minutes)’.

substitution therapy – using a prescription drug, eg methadone or buprenorphine, to stop using heroin.

nausea – the feeling that you want to be sick (a feeling of wanting to vomit).

Nausea section in the side effect guide.

BD (or bid) – a short hand term for medication dosing that means ‘twice-daily’.