Synonyms : 1 (4-Amino-6, 7-dimethoxy-2-quinazolinyl)-4-((2, 3-dihydro-1, 4-benzodioxin-2-yl)carbonyl)piperazine, Alfamedin, Aliud Brand of Doxazosin Mesylate, Alpharma Brand of Doxazosin Mesylate, Apo-Doxazosin, Apotex Brand of Doxazosin Mesylate, Cardular, Cardura, DoxaUro