Contributor: Crystal Karges, MS, RDN, IBCLC Special Projects Coordinator at Eating Disorder Hope/Addiction Hope Marketed under the brand names of Ultram, ConZip, and Ryzolt, Tramadol is an opioid based prescription drug that is typically used to treat moderate to severe pain. Tramadol functions in two main ways: 1) binding to the opioid receptors in the [...]MEDICAL ADVICE DISCLAIMER: The service, and any information contained on the website or provided through the service, is provided for informational purposes only. The information contained on or provided through this service is intended for general consumer understanding and education and not as a substitute for medical or psychological advice, diagnosis, or treatment. All information provided on the website is presented as is without any warranty of any kind, and expressly excludes any warranty of merchantability or fitness for a particular purpose.