Iberis Amara, Bitter Candy Tuft. This is one of the remedies used from antiquity and recently reintroduced. It is used in enlarged heart to control vascular excitement and allay reflex irritability. In dyspnea and bronchial spasm, vertigo, and dropsy of cardiac origin it is highly recommended by many authorities. Its mother tincture appears to be the best preparation. Give in doses of 3 to 8 I.