According to Bach, Flower remedies or flower essences, work by moderating the psychological factors involved in many of the conditions that are common in modern life. For many people, fears and anxieties hinders recovery from physical illnesses. Illness may originate because of an emotional or mental imbalance which could, over a period of time, permeate to physical levels and cause disease. Flower essences promote calm and facilitate emotional well being. They work rapidly but gently on the emotions and can be taken alongside other medication.