Glossary

PT (prothrombin time; pro-time) – PT testing measures the amount of time it takes for blood to clot. When the liver is damaged, its ability to make clotting factors is impaired. If this time increases – referred to as a prolonged PT interval – it shows that the liver is not working so well.

INI (integrase inhibitor) – type of HIV drug.

Drug targets in the virus life cycle.

high level resistance – when an HIV drug no longer works against the virus.

duration – how long in time.

methadone – a man-made opiate that used to treat heroin addiction. See also buprenorphine.