Kali Cyanatum kali-cy.

Potassium Cyanide. K. C. N.
Proved by Lembke in 1st and 2d triturations. Toxicological reports ; see Allen's Encyclopædia, vol. 5, p. 323 .
CLINICAL AUTHORITIES.
- Neuralgic headaches , Cattell, B. J. H., vol. 11, p. 348 ; Affection of chest , Cattell, B. J. H., vol. 11, p. 39.

Double vision.

Agonizing attacks of neuralgic pains between temporal region and ciliary arch and maxilla, with screaming and apparent loss of sensibility, as if struck with apoplexy ; pulse 84 ; face flushed.
Severe neuralgic pains in temporal region and left upper jaw, daily at 4, increasing till 10, and ceasing at 4 P. M., in their interval anorexia, fever, headache.
Torturing neuralgic pains in orbital and supramaxillary region, recurring daily at same hour, with much flushing of that side of face.

Dulness on percussion ; respiration feeble, mixed with crepitus and bronchial rales, on right side below clavicle ; troublesome cough, preventing sleep at night.

Acute rheumatism in articulations.

Night : cough prevents sleep.

Daily at 4 : severe neuralgic pains in left upper jaw, increasing till 10, ceasing at 4 P. M.
Daily at same hour : torturing neuralgic pains in orbital and supramaxillary region.

Right : bronchial rale.
Left : severe neuralgic pains in upper jaw.

As if struck with apoplexy.
Neuralgic pains : in orbital and supramaxillary region.
Agonizing attacks : of neuralgic pains between temporal region and ciliary arch and maxilla.
Severe neuralgic pains : in temporal region and left upper jaw.
Acute rheumatism : in articulations.

Compare : Cedron , Stannum , and Platina in periodical neuralgia.