Diltiazem Nycomed is a pharmaceutical drug belonging to the group of benzodiazepine calcium channel blockers. It is manufactured by Nycomed Pharma AS in Norway. Diltiazem is also known by the international name "Diltiazem" and has several synonyms, including Aldizem, Altiazem RR, Angizem, Apo-Diltiaz, Blockalcin 60, Blockalcin 90 retard, Herbesser, Diazem, Dilakor XR, Delay Thiazim SR, Dilzhina, Dilzem, Dilcardia, Dilcardia retard, Diltiazem, Diltiazem G