Displaying 3 results of Isometheptene Stable Isotopes Isometheptene is a drug used for the treatment of migraines and tension headaches. Stable isotopes of isometheptene are isotopes that do not decay over time, making them useful for various scientific and medical applications. These isotopes can be used for drug metabolism studies, pharmacokinetic studies, and other research purposes. Isometheptene stable isotopes are also used in the development of new drugs and diagnostic tools.