Mercurius iodatus ruber

Made from red mercuric iodide — the red salt of the mercury-and-iodine shelf, and the classical remedy of the hard, swollen tonsils.

SourceMineral sourceMineral kingdom

The whole picture, in one breath

Think of tonsils that harden: swollen, hardened tonsils and glands of the throat, the diphtheritic and quinsy states of the old books, the mercurial offensiveness joined to the iodide's gland-action, and the red salt's own hot, glandular portrait. The hard-tonsils remedy: that is Mercurius iodatus ruber.

The substance, in plain words

Red mercuric iodide is the scarlet salt of the mercury-and-iodine shelf — the two most gland-active elements of the old pharmacy joined in one crystal, genuinely active and genuinely toxic. The proving gave the salt its tonsil-and-gland portrait, hot where Merc-sol is sweaty.

The traditional picture Classical sources

The inner state

The body

Modalities (worse and better factors)

Worse from ⬇Better from ⬇
cold damp weather; night; swallowing; exertion.rest; moderate warmth; quiet.

Where it acts (organ affinities)

Tonsils and throat, glands, lymphatics, general vitality.

Where the classical picture comes from

The red salt's proving gave the hard-tonsil portrait; Merc iod ruber became the classical remedy of the hardened glands of the throat — the mercury and iodine of the old shelf joined in one crystal.

The substance in real medicine Pharmacology

What this section is: the pharmacology and toxicology of the source substance. It is not clinical evidence that a homeopathic preparation of it treats any condition. What controlled trials do and do not show is set out on the Evidence page.

Mercuric iodide is genuinely the chemistry of the old gland shelf — active, toxic, regulated out of modern use, its elements both genuine: iodine the thyroid's own, mercury the toxicology classic. The throat it served is now antibiotics and the ENT clinic; the salt's career is the history of the pre-antibiotic gland shelf.

Look-alikes (how the classical authors told it apart)

RemedyLooks similar because…Tells it apart because…
Mercurius solubilisThe mercury pairMerc sol is sweaty, foul and trembling all over; Merc iod ruber is hot, hard and glandular.
Kali iodatumIodide familyKali-iod sweats hot with wandering bones; Merc iod ruber hardens the tonsils.
Hepar sulphurisTonsils and early abscessHepar's are touchy, chilly and fast-ripening; Merc iod ruber's hard and hot.
Baryta carbonicaHardened glandsBaryta is the backward child's swollen glands; Merc iod ruber the hot hard tonsils.
Safety. A severe sore throat with fever, one-sided swelling or difficulty breathing is urgent; recurrent tonsillitis deserves proper treatment.
Compiled by Dr. Sohil Momin, BHMS · Open Materia Medica