Archives

wasting – loss of lean body mass (muscle loss). A unplanned or unexplained wight loss of more than 5% body weight over six months can be an AIDS-defining illness. Weight loss and wasting section of the training manual.

weight loss – a general reduction in weight. Weight loss can often be a symptom of other opportunistic infections. Weight loss and wasting section of the training manual.

WHO (World Health Organisation) – international organisation involved in global responses to HIV. WHO website.

syphilis – an STI that is a bacterial infection, usually transmitted by sexual contact. Untreated, syphilis can cause serious injury to an unborn baby.

symptomatic – showing signs of illness.

symptom – a sign of illness.

Summary of Product Characteristics (SPCs) – detailed information about a drug provided by the maker that is approved by the European Regulatory Agency (EMEA/CPMP). Also called EPARs. EMEA published SPCs

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

study population – the group of people in a study.

STI (sexually transmitted infection) – other STIs include herpes, gonorrhoea and syphilis etc.

standard deviation (SD) – the standard deviation from a mean average, is a measure of the degree of variation from the mean.

spinal tap – See lumbar puncture.

side effect – an unwanted effect from taking a medicine. Sometimes called an adverse event or drug toxicity.

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

severity – a measure of how bad something is.

seroreversion – the word for when the baby born to an HIV-positive mother, no longer has the mother’s antibodies to HIV.

seroconversion – the immune reaction when you develop antibodies to a new infection. HIV seroconversion usually starts a couple of week after infection. Because this is when viral load is very high (often millions of copies/mL), this is when symptoms …

sarcoma – medical term for cancer that affects bone, cartilage, fat, muscle, blood vessels, skin or other connective tissue. Cancer: lymphoma and sarcoma.

sanctuary site – see compartment site.

ritonavir – a protease inhibitor (PI) that is now used boost levels of some other  HIV drugs, especially other PIs.