This section is from the "Nature Cure: Philosophy and Practice Based on the Unity of Disease and Cure" book, by Henry Lindlahr.
The Law of like cures like is of great practical importance from another point of view, namely, that of economics.
The best engineer is the one who accomplishes the maximum of results with the minimum of expenditure of force and with the least friction. The same is true of the physician and his remedies.
We have learned that drugs given in the coarse allopathic doses attack and affect the organism as a whole. If, for instance, there is a catarrhal affection of the serous and mucous membranes of the respiratory tract accompanied by fever, the allopath will give quinine in large doses to change this condition. He may accomplish his aim; but if so, he does it by paralyzing the heart, the respiratory centers, the red and white blood corpuscles and the excreting cells of the mucous membranes. The body as a whole and certain parts in particular are saturated with the drug poison and correspondingly weakened. As allopathy itself states it: "Quinine reduces fever by depressing the metabolism" (the vital functions).
Homeopathic materia medica teaches that Bryonia has a special affinity for the mucous and serous membranes of the respiratory tract and that its symptomatic effects correspond closely to those described in the preceding paragraph.
If, in accordance with the Law of similia similibus curantur, a homeopathic dose of Bryonia be given to a patient exhibiting these symptoms, the remedy, as has been demonstrated, will assist Nature in her work of cure; and in doing this, it will not attack and affect the entire organism, but only those serous and mucous tissues for which it has a special affinity and which, as in the case of this patient, are the most seriously affected.
To state it in another way: the large, allopathic dose paralyzes the whole organism in order to produce its fictitious cure. The small, homeopathic dose, on the other hand, goes right to the spot where it is needed, and by mild and harmless stimulation of the affected parts, assists and supports the cells in their acute eliminative efforts.
Homeopathic medication, therefore, is not only curative in its effects, but also conservative and in the highest degree economic.