Ceanothus Americanus therapeutic range of actions as per Boericke Materia Medica
This remedy seems to possess a specific relation to the spleen. Ague cake of malaria. A left-sided remedy generally. Anaemic patients where liver and spleen are at fault. Chronic bronchitis with profuse secretion. Marked blood pressure, reducing powers. Active hemastatic, materially reducing the clotting of blood.
Abdomen.--Enormous enlargement of the spleen. Splenitis; pain all up the left side. Deep-seated pain in left hypochondrium, hypertrophy of spleen. Leucaemia. Violent dyspnoea. Menses profuse, and yellow weakening leucorrhoea. Unable to lie on left side. Pain in liver and back.
Dose-First attenuation. Locally as hair tonic.
Please note that the dosage of single homeopathic medicines varies from drug to drug depending upon the condition, age, sensitivity and other things. In some cases they are given as regular doses as 3-5 drops 2-3 times a day whereas in other cases they are given only once in a week, month or even in a longer period.