Rhodium oxydatum nitricum
Mineral
Key symptoms
- Headache on being woken at night; tearing in forehead on awakening
- Headache alternating with faintness
- Faintness relieved instantly by passage of stool
- Constipation with stool in small round balls causing intense burning in anus
- Illusion of hearing whispering; increased acuity of hearing
- Teeth feel blunt with sensation of sand between them
- Piles improved; itching of anus with tardy stools
Worse (aggravation)
- Night (headache on waking)
- After mental exertion (faintness from 4 to 7 p.m.)
Better (amelioration)
- Passage of stool instantly relieves faintness

Nitrate of the Oxide of Rhodium. (Rhodium Rh. A. W. 103.) Solution.
Clinical
Anus, itching of; burning in. Constipation. Ears, pains in. Hæmorrhoids. Headache. Hearing, illusions of. Impotence.
Characteristics
The metal Rhodium is found in association with Platinum. The preparation of it used by Hering was thus obtained: "A small quantity of Rhodium sponge, hydrate of potassa and nitre were exposed to the action of the blowpipe until oxidised. After having the oxide well washed and boiled in nitric acid for a few minutes and exposed to a gentle heat for an hour, the nitrate was obtained from the oxide: a fluid of a golden colour, and of the consistency of syrup." Dilutions of this were made, and the 4th was proved for Hering by Dr. Pehrson, the 2nd and 3rd by Dr. Negendank. The bowels were affected in both, constipation with piles being relieved in one, and constipation with itching of the anus being caused in the other. Some Peculiar Symptoms were: Headache on being waked up in the night. Headache …
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