Customized medication, exactness medication, or theranostics is a clinical model that isolates individuals into various gatherings—with clinical choices, practices, mediations and additionally items being custom-made to the individual patient dependent on their anticipated reaction or danger of illness. The terms customized medication, accuracy medication, defined medication and P4 medication are utilized conversely to portray this idea. in spite of the fact that a few creators and associations utilize these articulations independently to demonstrate specific subtleties.

While the fitting of treatment to patients goes back in any event to the hour of Hippocrates, the term has ascended in utilization as of late given the development of new analytic and informatics moves toward that give comprehension of the atomic premise of illness, especially genomics. This gives a reasonable proof base on which to define (gathering) related patients.

In customized medication, demonstrative testing is frequently utilized for choosing proper and ideal treatments dependent on the setting of a patient's hereditary substance or other sub-atomic or cell investigation. The utilization of hereditary data has assumed a significant job in specific parts of customized medication (for example pharmacogenomics), and the term was first begat with regards to hereditary qualities, however it has since widened to incorporate a wide range of personalization measures.