Adrenalinum is a homeopathic medicine and it regulates activity of the sympathetic nerve. It stimulation Constriction of the peripheral arteries and normalize blood pressure.Adrenalinum is used in treatment of respiration problem due to lung congestion, asthma, hay fever, debility, haematuria, hyperaemia, urticaria etc. 

The main action of adrenalinum is stimulation of the sympathetic nerve endings notably the splanchnic area, causing constriction of the peripheral arterioles, with resulting rise in blood pressure. 

It is recommended in cases of autonomic dystonia; -states of exhaustion; Addison's disease; adrenal exhaustion. 

Use under medical supervision.