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Glossary

Selected words and phrases

Tmax – the time taken for a drug to reach the highest (maximum) concentration.

What happens when you take a drug?

prophylaxis – a treatment taken before an illness in order to prevent it occuring. Primary prophylaxis is the terming for taking a preventative treatment before ever having had the illness. Secondary prophylaxis is the term for continuing to take a treatment to prevent the illness coming back.

T-cell – a type of white blood cell (lymphocyte) that are part of the immune system and that mature in the thymus (T). CD4 cells are also called T-cells.

Cmax – highest concentration of a drug after a dose.

What happens when you take a drug?

primary mutation – see major mutation.