Definition of chemoprophylactic in US English:

chemoprophylactic

adjective

  • See chemoprophylaxis

    • ‘Patients developing many skin cancers will also be treated with topical and oral chemoprophylactic medicines that can reduce the number of skin cancers occurring in the future.’
    • ‘All antimalarial chemoprophylactic regimens are associated with mild adverse events, but serious events are rare.’
    • ‘Up to 12 percent of these women report allergy to the principal chemoprophylactic agent, penicillin, and are treated with erythromycin or clindamycin.’