Displaying 7 results of Doxazosin Stable Isotopes Doxazosin is a medication used to treat high blood pressure and urinary problems caused by an enlarged prostate. Doxazosin stable isotopes are isotopes of the drug that have a constant atomic number and mass, providing a useful tool for research in pharmacokinetics, drug metabolism, and drug-drug interactions. These isotopes can be used to trace the fate of the drug in the body and to measure its concentration in biological samples.