primary chemoprophylaxis

primary chemoprophylaxis

prophylactic use of a therapeutic agent in a patient before disease has occurred.
References in periodicals archive ?
14,15) Fortunately, combination atovaquone/proguanil (Malarone) became readily available for use as primary chemoprophylaxis during that same time period.
et al, "Effects of antiretroviral therapy and opportunistic illness primary chemoprophylaxis on survival after AIDS Diagnosis," AIDS 1999 13:13, 1687-95.