Definition of prophylaxis in English:



  • [mass noun] Treatment given or action taken to prevent disease.

    [with modifier] ‘all patients received preoperative antibiotic prophylaxis’
    ‘stroke prophylaxis’
    • ‘Antibiotic prophylaxis is recommended for bacteremic procedures to prevent brain abscess.’
    • ‘In those who are severely immunosuppressed the treatment and prophylaxis of opportunistic infections remains important.’
    • ‘Currently, there is no vaccine for the disease, and postexposure prophylaxis is not effective.’
    • ‘In consequence, the author counsels vigorous treatment for psychosis and prophylaxis for those at risk of it.’
    • ‘Most urologic procedures do not require preoperative antibiotic prophylaxis.’
    • ‘The patient should then see a dentist immediately for splinting and antibiotic prophylaxis.’
    • ‘Physicians who have been exposed to a person known to have pertussis need antibiotic prophylaxis.’
    • ‘Containment may not be possible without vaccination, prophylaxis or effective treatment.’
    • ‘We have to distinguish between prophylaxis and prevention, and treatment.’
    • ‘These surgical patients would receive our routine antibiotic prophylaxis as well as the study drug.’
    • ‘For this reason antibiotic prophylaxis during labour should be started as soon as possible after risk factors have been identified.’
    • ‘It was approved in 1993 for treatment and prophylaxis of infection in adults.’
    • ‘Routine use of antimicrobial prophylaxis or serologic testing after a tick bite is not recommended.’
    • ‘For many procedures, antibiotic prophylaxis is given during the induction of anesthesia.’
    • ‘How can nurses plan for antibiotic prophylaxis, a role that is so important to patient safety?’
    • ‘Penicillin is the agent of choice for intrapartum antibiotic prophylaxis.’
    • ‘Should aspirin be a short term intervention after a vascular event or a long term agent for cardiovascular prophylaxis?’
    • ‘They need to be backed up by drugs for prophylaxis and treatment of opportunistic infections.’
    • ‘The fourth reading of circumcision saw it as a form of medical prophylaxis.’
    • ‘Medical prophylaxis is effective in up to 80% of patients with recurrent calcium stones.’
    preventive treatment, prevention, protection
    View synonyms


Mid 19th century: modern Latin, from pro- ‘before’ + Greek phulaxis act of guarding.