Elemental potassium is a soft silvery-white alkali metal that oxidizes rapidly in air and reacts vigorously with water, generating sufficient heat to ignite hydrogen emitted in the reaction and burning with a lilac flame.
An antianginal is any drug used in the treatment of angina pectoris, a symptom of ischaemic heart disease.
Drug interactions may be a possible cause of Angina. 1  Verapamil and beta blocking drug interaction. 2  Calan and beta blocking drug interaction. 3  Calan SR and beta blocking drug interaction. 4  Covera HS and beta blocking drug interaction. 5  Isoptin and beta blocking drug interaction.