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Pharmacogenomics is the study of how your genes can affect your body's response to, and interaction with, some medications. Pharmacogenomics testing is a type of genetic test, and it's a tool your health care provider may use to identify the right medication for you.
Many factors affect how you respond to medication, including:
- Illness or organ dysfunction, especially kidney or liver function
- Food interactions
- Other medications
- Race and ethnicity
- Smoking and alcohol use
Your health care provider may order pharmacogenomic testing to guide your medication use for several reasons, including to:
- Identify a medication or dose most likely to work for you before you take it
- Avoid or prevent serious side effects related to certain medications
- Adjust the dose of a current medication or recommend a different medication
Pharmacogenomic testing does not apply to all medications, address all drug side effects or drug allergies, or explain drug-drug interactions or drug-food interactions.