Mercurius cyanatus

Common name: cyanide of mercury.

It seems to spread its action all over the buccal cavity (N.).

Is of great value in that much dreaded disease-diphtheria (N.).

MALIGNANT DIPHTHERIA, WITH INTENSE REDNESS OF FAUCES AND GREAT DIFFICULTY OF SWALLOWING (A.).

Diphtheria of the larynx and nose (Br.).

Pseudo-membranous formation extends all over fauces and down the throat (A.).

Putrid, gangrenous diphtheria, with phagedenic ulceration (Lach., Nit-Ac.) (A.).

Membranous croup (Brom., Kali-B., Phos.) (A.).

GREAT WEAKNESS; EXTREME PROSTRATION (this is attributed by Dr. T. F. Allen to the cyanogen element in it) (A.).

Cannot stand up from weakness (Ars., Gels., Kali-P., Phos.) (A.).

Chronic sorethroat of public speakers (N.).

Hoarseness (Arg-N., Brom., Carb-V., Phos.) (N.).

Fetid breath (Ars., Bapt., Nit-Ac.) (D.).

Epistaxis (Kali-P., Lach., Nit-Ac.) in association with diphtheria (D.).

Is useful in syphilitic ulceration, when perforation is threatened. The soft parts of the palate and fauces are necrosed (Aur.) (Bl.).

Urine albuminous, scant, in some cases completely suppressed (Apis, Canth., Stram.) (R.).

Coldness and cyanosis (Carb-V., Hydr-Ac., Verat.) (B.).

Weak heart (Ars., Dig., Gels., Kali-P., Lach., Mur-Ac., Naja) (B.).

Rapid respiration and heart action (Ant-T., Carb-V., Lach., Phos.) (Br.).

Hiccough (Bell., Carb-V., Mag-P.) (Br.).

Twitching and jerking of muscles (Hyos., Ign., Stram.) (Br.).

AGGRAVATION: From swallowing; and from speaking.

AMELIORATION: From warmth.

RELATIONSHIP: Similar to: Ars., Bapt., Carb-V., Kali-P., Lach., Mur-Ac., and Phos.