Displaying 4 results of Nefopam Stable Isotopes Nefopam is a non-opioid analgesic drug that is used to treat moderate to severe pain. Stable isotopes of nefopam are valuable tools for drug development and metabolism studies. They can be used to track the drug's pharmacokinetics, metabolism, and distribution in the body. This information can be used to optimize drug dosing and improve treatment outcomes. The stable isotopes of nefopam are also useful in forensic toxicology and clinical drug monitoring.