has part has part has_part has role vasodilator agent antihypertensive agent xenobiotic anti-arrhythmia drug calcium channel blocker racemate EC 1.2.3.1 (aldehyde oxidase) inhibitor EC 3.4.24.83 (anthrax lethal factor endopeptidase) inhibitor dexverapamil (S)-verapamil EC 3.4.24.18 (meprin A) inhibitor EC 3.6.3.1 (phospholipid-translocating ATPase) inhibitor EC 3.6.3.44 (xenobiotic-transporting ATPase) inhibitor environmental contaminant verapamil Verapamil chebi_ontology CHEBI:9948 A racemate comprising equimolar amounts of dexverapamil and (<i>S</i>)-verapamil. An L-type calcium channel blocker of the phenylalkylamine class, it is used (particularly as the hydrochloride salt) in the treatment of hypertension, angina pectoris and cardiac arrhythmia, and as a preventive medication for migraine.