During the last eight years of teaching our four-year course at the Hahnemann College, we made the decision not to teach the remedies alphabetically as was our habit. Rather, we decided to teach them according to groups of remedies – the Kali’s, the Sulphuric’s, the metals, the snakes, the spiders, the Ranunculaceae, etc. As the first class taught by this method was coming to a close, I decided to do a double-check and make certain that all of the usual remedies had been covered. To my surprise, a large number of remedies had been missed including Petroleum, Glonoinum, Carbo Vegetabilis and Carbo Animalis, Picricum Acidum, Benzoicum Acidum, Carbolicum Acidum, Kreosotum, Terebinthina and some other carbon-based remedies. I therefore decided to lump them altogether and teach them as a group. I became especially interested in this neglected and poorly understood group of remedies after realizing there were similarities in the small number of my own cases of carbon remedies – generally cured through well-known keynotes. I decided to share the cases with my students and in the process of study for a simple lecture, I became fascinated with the subject.
The organic chemicals have received attention since the time of Hahnemann who proved Petroleum and Graphites (and Camphora which is in many ways related to the organic chemicals). Hahnemann also proved the two charcoal remedies: Carbo Animalis and Carbo Vegetabilis. He proved, but then nearly discarded, several acetate remedies: Mercurius, Manganum, Calcarea and Baryta. Since then, approximately 180 related remedies have been admitted to our pharmacopeia. They have never been studied formally as a group.”