Written by Samuel Hahnemann, the founder of homeopathy, The Organon of Medicine is the cornerstone of homeopathic principles and practice, and used by homeopathy students and practitioners. We provide this important book here free of charge and in digital format, so that it can be enjoyed by all interested in homeopathy. Introduction Aphorism 1 to…

§ 1 The physician’s high and only mission is to restore the sick to health, to cure, as it is termed.1 1 His mission is not, however, to construct so-called systems, by interweaving empty speculations and hypotheses concerning the internal essential nature of the vital processes and the mode in which diseases originate in the…

§ 31 The inimical forces, partly psychical, partly physical, to which our terrestrial existence is exposed, which are termed morbific noxious agents, do not possess the power of morbidly deranging the health of man unconditionally1; but we are made ill by them only when our organism is sufficiently disposed and susceptible to attack of the…

§ 161 Sixth Edition When I here limit the so-called homoeopathic aggravation, or rather the primary action of the homoeopathic medicine that seems to increase somewhat the symptoms of the original disease, to the first or few hours, this is certainly true with respect to diseases of a more acute character and of recent origin,…

§ 151 But if the patient complain of a few violent sufferings, the physician will usually find, on investigation, several other symptoms besides, although of a slighter character, which furnish a complete picture of the disease. § 152 The worse of the acute disease is, of so much the more numerous and striking symptoms is…

§ 141 But the best provings of the pure effects of simple medicines in altering the human health, and of the artificial diseases and symptoms they are capable of developing in the healthy individual, are those which the healthy, unprejudiced and sensitive physician institutes on himself with all the caution and care here enjoined. He…

§ 131 If, however, in order to ascertain anything at all, the same medicine must be given to the same person to test for several successive days in ever increasing doses, we thereby learn, no doubt, the various morbid states this medicine is capable of producing in a general manner, but we do not ascertain…

§ 121 In proving medicines to ascertain their effects on the healthy body, it must be borne in mind that the strong, heroic substances, as they are termed, are liable even in small doses to produce changes in the health even of robust persons. Those of milder power must be given for these experiments in…

§ 101 It may easily happen that in the first case of an epidemic disease that presents itself to the physician’s notice he does not at once obtain a knowledge of its complete picture, as it is only by a close observation of several cases of every such collective disease that he can become conversant…

§ 81 The fact that this extremely ancient infecting agent has gradually passed, in some hundreds of generations, through many millions of human organisms and has thus attained an incredible development, renders it in some measure conceivable how it can now display such innumerable morbid forms in the great family of mankind, particularly when we…