Based on the individual homoeopathic constituents of Crataegus-Heel S, therapeutical possibilities arise, with action on the myocardium and the vascular system, especially on the senile heart and circulatory disorders due to age; this preparation counteracts arteriosclerotic changes and is also indicated on post-infectious myocardial weakness (when the pure Crataegus action is desired). In infectious diseases such as pneumonia, influenza, dysentery, scarlet fever, etc., prophylactically for cardiac support. Long-term administration is important, to achieve lasting effects. Crataegus-Injeel (forte) is the related preparation in ampoule form. For further pharmacological particulars regarding Crataegus, see under Cralonin. The dosage is adjusted according to the disease, the clinical picture and the stage of the illness: 10 drops 3(-4) times daily. As required, massive initial-dose therapy (e.g. in threatening apoplexy in addition to Belladonna-Injeel S Papaver-Injeel, Melilotus-Injeel, Carbo vegetabilis-Injeel, etc.) 10 drops every 15 minutes.