Displaying 4 results of Bepotastine Stable Isotopes Bepotastine is an antihistamine medication that is used to treat symptoms of allergic reactions such as itching and swelling. Bepotastine stable isotopes are isotopes of bepotastine that have a stable atomic nucleus and do not decay over time. These isotopes are used in research studies to track the distribution and metabolism of bepotastine in the body, as well as to develop new diagnostic and therapeutic tools for treating allergies and other immune system disorders.