Pharmacogenomics is the investigation of how qualities influence an individual's reaction to drugs. This moderately new field joins pharmacology (the study of medications) and genomics (the investigation of qualities and their capacities) to create successful, safe meds and dosages that will be custom fitted to an individual's hereditary makeup.Many drugs that are at present accessible are "one size fits all," yet they don't work a similar route for everybody. It tends to be hard to anticipate who will profit by a medicine, who won't react by any stretch of the imagination, and who will encounter negative symptoms (called unfavorable medication responses). Antagonistic medication responses are a critical reason for hospitalizations and passings in the United States. With the information picked up from the Human Genome Project, specialists are figuring out how acquired contrasts in qualities influence the body's reaction to prescriptions. These hereditary contrasts will be utilized to anticipate whether a medicine will be successful for a specific individual and to help forestall unfavorable medication responses.