What is Pharmacogenomics?

Pharmacogenomics is the study of how genes affect a person’s response to drugs. It combines pharmacology, the science of drugs, and genomics, the study of genes and their functions, to understand the inter-individual variations in response to drug treatment and to predict whether a medication will be effective for a particular person and to help prevent adverse drug reactions.
In other words, pharmacogenomics is the study of the contribution of genomics and of other “omics” (epigenomics, transcriptomics, proteomics, etc) to individual variation in drug response and disease outcome.
The ultimate goal is to individualize drug selection and drug use in order to avoid adverse drug reactions and to maximize drug efficacy.