HIV i-Base

Selected words and phrases

SIDA – the abbreviation for AIDS in French, Spanish, Italian and Portuguese.

candida – fungus (yeast) infection that affects the mouth and throat, gullet, sinuses, genital organs and – rarely – the brain

gastrointestinal tract (or GI tract) is where we digest our food. It is a long tube that runs from the mouth to the anus. The gastrointestinal tract begins with the mouth and then becomes the oesophagus (food pipe), stomach, duodenum, small intestine, large intestine (colon), rectum and, finally, the anus. It is also called the GI tract.

CD4% – percentage of total lymphocytes (white blood cells) that are CD4 cells.

T1/2 (half-life) –  the time taken a drug to clear from the highest concentration to half this level. Drugs have different half-lives in different compartments (ie half-life in blood can be different from the half-life inside a cell). It take 5 x the half-live for a drug to be considered cleared.

What happens when you take a drug?