You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is A two-month-old infant has undergone a major surgical procedure. Regarding postoperative pain relief which one of the following is recommended? and explain in detail?
Intravenous Opioids are the mainstay of analgesia in neonates and infants in the postoperative period. Morphine and fentanyl are frequently used in neonatal ICU for analgesia. To reduce the likelihood of opioid tolerance, use of different opioids or addition of other medications such as intravenous naloxone and iv methadone are used. Ref: Clinical Anesthesia By Paul G. Barash, 6th Edition, Page 1190.