Pharmacogenomics is the investigation of how qualities influence an individual's reaction to drugs. This generally new field joins pharmacology (the study of medications) and genomics (the investigation of qualities and their capacities) to create compelling, safe prescriptions and dosages that will be customized 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 path for everybody. It very well may be hard to foresee who will profit by a medicine, who won't react by any means, and who will encounter negative symptoms (called unfavorable medication responses). Unfriendly medication responses are a huge 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 drugs.