There are three main principles behind the practice of homeopathic medicine

• The law of similars : The law of similars refers to the "like cures like" theory noted above.
• The principle of the single remedy : This principle holds that a single remedy should cover the physical, emotional, and mental symptoms of an illness combined.
• The principle of the minimum dose : Only a small amount of substance is first used in a few doses, followed by an infinitesimal amount over time.