Definition of therapeutic substitution in English English dictionary
(Eczacılık) Therapeutic substitution is a pharmacist-initiated act by which a pharmaceutical or therapeutic alternate for the physician-prescribed drug is dispensed without consulting the physician. This denotes replacement of the prescribed drug with a chemically different drug within the same therapeutic category, eg, hydrochlorothiazide for furosemide; ranitidine for cimetidine; chloramphenicol for erythromycin