Choosing the right drug for the specific disease affecting a specific individual will lead to maximized outputs. Pharmacogenomics can be utilised in pain management to predict the response of drugs and their adverse effects before initiation of therapy and guide physicians the way they prescribe to the individual patient. In addition to pharmacogenomics, other methods to monitor the metabolism of drugs are discussed here. Pain is the most common physical symptom experienced by patients in many diseases.

Managing chronic pain, lasting more than 12 weeks is a challenge and critical to improve patient’s quality of life which affects mostly the physical activities. Pain is generally treated by the use of opioids and nonopioids. Different patients can respond in a different way to same medication, and occasionally the prescribed medication might be detrimental to the patients. Rapidly…