Allopathic medicine is an expression commonly used by homeopaths and proponents of other forms of alternative medicine to refer to mainstream medical use of pharmacologically active agents or physical interventions to treat or suppress symptoms or pathophysiologic processes of diseases or conditions.n such circles, the expression allopathic medicine is still used to refer to the broad category of medical practice that is sometimes called Western medicine, biomedicine, evidence-based medicine, or modern medicine (see the article on scientific medicine). Contents.