Glossary

half-life (T1/2) – 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.

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

Nausea section in the side effect guide.

base – (also called nucleotide) – the building blocks in DNA that form amino acids. There are four bases represented by the letters A (adenine), T (thymine), C (cytosine) and G (guanine). In RNA the T is replaced by U (uricil).

Genetics, HIV structure and life cycle

mucosal lining is the moist, inner lining of some organs and body cavities (such as the nose, mouth, vagina, lungs, and stomach). Glands in the mucosa make mucous, a thick, slippery fluid. A mucosal lining is also called a mucous membrane.

acute infection – early infection (first few months with HIV).