Displaying 2 results of Alimemazine Stable Isotopes Alimemazine is an antihistamine medication used to treat allergies and itching. Stable isotopes of alimemazine are non-radioactive isotopes that have the same number of protons and electrons as the standard isotope. These isotopes can be used in research and development to study the pharmacokinetics and metabolism of alimemazine in the body, as well as for tracing and tracking the drug in biological systems.