Skip to content
    Combined Science GCSE

    Efficacy

    What Efficacy means in Combined Science GCSE, as defined for Pearson Edexcel.

    Definition of Efficacy

    How effective a drug is at preventing or curing the disease, or making the patient feel better.
    Pearson Edexcel · Health, disease and the development of medicines (study guide)

    Topics that use Efficacy

    Related terms

    Using Efficacy in the exam

    Definition questions usually carry one or two marks, and examiners look for the precise wording. Write the definition from memory, check it against the version above, and then use the term in a longer answer on the same topic so it sticks.

    Practise Combined Science questions

    Create a free account to answer exam-style questions on this topic and get feedback on your answers.

    Start free

    7 days Premium · Then free forever · No card, no charge

    All Combined Science GCSE terms