Определение и Значение "prophylactic"

What is a "prophylactic"?

A prophylactic is a preventive measure used to reduce the risk of disease or infection. It can include medications, treatments, vaccines, or behaviors aimed at protecting individuals from illness before it occurs. Prophylactics are commonly used in healthcare settings, such as giving vaccines to prevent diseases like influenza or providing antibiotics to prevent infection after surgery. It can also involve lifestyle changes, such as maintaining proper hygiene or using protective equipment like masks to prevent the spread of diseases or reduce exposure to germs.