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chemoprophylaxis
chemoprophylaxis n. 
/ˌkɛməʊˌprɒfᵻˈlaksɪs/, /ˌkɛmoʊˌproʊfəˈlæksəs/ the prevention of a disease, esp. an infectious disease, by the administration of drugs; cf. chemoprevention n.
Brit. /ˌkiːməʊˌprɒfᵻˈlaksɪs/
, /ˌkiːməʊˌprɒfᵻˈlaksɪs//ˌkɛməʊˌprɒfᵻˈlaksɪs/U.S. /ˌkimoʊˌproʊfəˈlæksəs/
, /ˌkimoʊˌproʊfəˈlæksəs//ˌkɛmoʊˌproʊfəˈlæksəs/ΘΚΠ
the world > health and disease > healing > medical treatment > treatment by medicine or drug > [noun] > in order to prevent disease
chemoprophylaxis1931
chemoprevention1966
1931 Lancet 15 Aug. 360/1 From now onwards, chemoprophylaxis and chemotherapy may play a larger part in the control of malaria than they have done hitherto.
1989 Brit. Med. Jrnl. 27 May 1422/1 The two babies with reflux were receiving chemoprophylaxis, and neither had a urinary tract infection.
2004 P. R. Donald in M. M. Madkour Tuberculosis xvi. 259/2 A number of controlled clinical trials have demonstrated the efficacy of isoniazid chemoprophylaxis when given to children and adults.
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