Proving Medicines

Organon Aphorism §142

But how some symptoms of the simple medicine employed for a curative purpose can be distinguished amongst the symptoms of the original malady, even in diseases, especially in those of a chronic character that usually remain unaltered, is a subject appertaining to the higher art of judgement, and must be left exclusively to masters in observation.

Samuel Hahnemann, Organon of Medicine, 6th edition, translated by William Boericke (1922, public domain). Checked word for word against the 1922 printing in October 2026.

Hahnemann’s footnote

  1. Symptoms which, during the whole course of the disease, might have been observed only a long time previously, or never before, consequently new ones, belonging to the medicine.

Checked word for word against Boericke’s 1922 printing.

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