Hydrocyanic acid



Ear

Ringing in the ears. Loud ringing in his ears after two minutes (sixth day). Roaring in the ears.

Nose

A peculiar sensation in the upper nasal cavities; it seems as though mephitic air passed through them over the Schneiderian membrane, and caused a prickling feeling for a short time (after one hour, first day).

Face

Wild looking and bloated countenance. Appeared like a man suffering from an excess of drink. It makes the lines of the face very distinct. Face flushed. Face and neck red and puffy. Face bluish red and swollen (after five or ten minutes). Blood vessels injected, and the whole countenance bloated. Face and head congested and hot (after one hour). His face, previously pallid, became greatly congested, and the veins large and prominent. Face so greatly congested as to be almost purple. The countenance had a dusky appearance. Face blue. Slight cyanosis of the face. Color of the face very gray and earthy. Almost black in the face (after two or three minutes); countenance of a ghastly, pale appearance; his face, however, much swollen, and covered with large drops of perspiration (after eight or nine minutes). Very pale (after five minutes). Face swollen. Whole face swollen, turgid, and almost purple from congestion. Countenance puffed up and dark, rather purple. Face sunken. Face sunken, pale. Lips. Pale, bluish lips. Distortion of the mouth. China The only symptom of life was a slight movement of the lower jaw. Jaw fixed. Jaws fixed, the teeth of the inferior retracted within those of the superior. Jaws clenched. Teeth clenched,; (sixth day). Teeth firmly set, almost immediately. The jaw was firmly clenched in rigid spasm. Spasmodic contraction of the jaw (after fifteen or twenty minutes). He had the corner of the sheet between his teeth, along the sides of which, at each expiration, issued a large quantity of thick white foam; I attempted to remove the sheet from his mouth, but was unsuccessful, as the jaws were so tight I could not open them in the least (after eight or nine minutes). Lockjaw. Trismus. Jaw fallen.

Mouth

Tongue. Tongue coated. Tongue white and after dinner (second day). Violent scraping in the soft palate. Saliva. Salivation, with two or three slight attacks of nausea, lasting several minutes. Causes spitting. He was obliged to spit for several minutes. Foam issuing from the mouth. Mouth covered with foam. Froth at the mouth. Frothy mucus exuded from the lips. On raising her up a little, some froth came out of her mouth. Froth appeared at the mouth, forming large bubbles; this fluid was so viscid that it could scarcely be wiped away. Thick salivary froth tinged with blood (bloody appearance caused by her biting her tongue) issued from her mouth (after five or ten minutes). A small quantity of brownish tenacious matter had fallen from his mouth on to the blankets. Taste. Sweetish taste on the tongue. Extreme bitterness in the mouth (immediately), (six day). Sharp irritating taste. Speech. Loss of speech. Unable to speak (after about twenty minutes). Made an attempt to speak, but was not intelligible.

Throat

Drink rumbles audibly through the throat and intestines. He appeared to have considerable uneasiness in the throat, but could swallow (after five minutes). Heat about the throat (after four hours). Sore throat, which hindered deglutition; saliva being abundant, and flowing out of the mouth, in the evening. Scraping in the throat, lasting till noon (first day). Scraping in the throat, with a peculiar tickling irritation extending from the pharynx low down the air passages, and causing an inclination to a frequent hacking cough; this condition of the air passages was compared to that after taking cold when one is hoarse, or to that which is caused by eating hips of roses when little hairs stick in the throat; in the evening this irritable condition changed to a very decided dryness in the mouth and larynx (second day). Scraping sensation in the throat, accompanied by some transient stitches and increased secretion of mucus, which compels frequent expectoration of thin saliva (third day). Slight scraping in the throat (after one hour, second day). Scraping in the throat, very slight (first day). Distressing scraping in the throat, like that caused by eating too many walnuts (second day). Fauces, Pharynx, and Esophagus. Pain, heat, cramp in the fauces, oesophagus, and stomach. Scraping in the pharynx (after three days). Warmth in the oesophagus. Swallowing. Unable to swallow (soon). An attempt was made to make him swallow; but although a movement of deglutition was distinctly noticed once or twice, the fluid remained in great part in his mouth, ebbing and flowing with the respiratory movements. External Throat. Bloating of the neck. Considerable swelling of and undulatory motion in the jugular veins; the carotids beat quickly and fully.

Stomach

Appetite. Increased hunger, with aversion to food (second day). Diminished appetite and digestion. Loss of appetite,; (second day). Loss of appetite, for eighteen days. Appetite for the first hour completely wanting, but afterwards unusually increased. A version to eating. Thirst. Thirst (after four hours). Eructation and Hiccough Eructations tasting of the drug (second day). Evolution of gas from the mouth of the odor and taste of the drug. Violent hiccough, which lasted almost an hour, did not yield to the usual remedies, such as holding the breath a long time, etc., but disappeared after a cup of black coffee (second day). Heartburn and water brash, with accumulation of much saliva in the mouth, after eating (second day). Nausea and Vomiting. Nausea and vomiting, with relief of the symptoms. Vomiting; (sixth day). Vomited frequently during the day. Vomiting of black liquid. Vomited a blackish mucus (the fauces being tickled with a feather). Stomach. Region of stomach distended. Warmth in the stomach. Disturbances of the stomach. Discomfort, with nausea, after eating (second day). Remarkable and unpleasant sensation at the epigastrium, with such weakness in the limbs and loss of power in the muscles that he thought he should have fallen; quite momentary (immediately). Feeling of a lump in the stomach, gradually changing to a sticking pain, which, after lasting a short time, left behind a sensation of pressure (second day). Slight sensitiveness of the epigastric region.

Abdomen

Feeling as if the spleen were enlarged (during the first days). Rumbling in the abdomen,; (third day).

Stool

Involuntary excretion of stools (after three hours). Involuntary discharge of stool and urine. Discharge of faeces in the bed. The usual stool did not occur (first day).

Urinary organs

Burning in the urethra, during micturition (third day). Profuse discharge of watery urine (third day). The activity of the kidneys seemed increased; the urine had a normal relation to the amount of drink, but was passed at shorter intervals than usual (second day). Involuntary excretion of urine (after three hours). Retention of urine for four days. Greatly increased secretion of urine and perspiration from the skin. Urine saturated; more copious than usual (third day).

Sexual organs

Increased sexual desire. Emissions of semen.

Respiratory organs

Larynx. Scraping in the air passages, soon. Feeling as though the larynx were enlarged or swollen (fourth day). Spasmodic constriction of the larynx,; with hawking (from the fumes). Rawness and scrapping in the larynx. Scraping in the larynx (soon),; (second day). Scraping in the larynx, together with sticking, leaving a feeling as though the larynx were swollen and too narrow, and as if it pressed against the neighboring parts; swallowing of food and drinks however was not difficult nor painful (second day). Scraping sensation in the larynx (first day). Scraping irritation in the larynx (after ten minutes). Tickling and scraping in the larynx, causing a frequent dry cough (soon), (second day). Voice. Voice hoarse but distinct. Cough and Expectoration. Cough. Frequent cough, in the evening. Violent cough (immediately). Paroxysms of cough with expectoration of black yellowish mucus, with relief of the rattling respiration. Greater secretion and expectoration of mucus from the air passages than usual, in the evening (first day). Increased secretion of mucus from the larynx, in the afternoon and evening (second day). Respiration. Noisy and agitated breathing. Wheezing, rattling breathing. The convulsive respiration at the outset had been soon succeeded by breathing, with snorting inspiration, and moaning expiration. Gurgling noise in the throat. Moaning noise (after five or ten minutes). Uttering a low moaning noise. She made a noise (“Oh! oh! oh!”). Breathed irregularly (after about twenty minutes). Convulsive respiration at times. Gasping as it were for breath (immediately). Respiration after a while occurred only after long pauses. Respirations very infrequent; after a time slower, only seven in a minute; each breath seemed as if it would be the last; breathing also distinctly stertorous. Faint, forcible respiration, which was repeated after an interval of five or six seconds. Breathing for a time, quite imperceptible. Respirations and pulse were slower than usual (fourth day). Respiration somewhat slower, with frequent need of taking a deep breath (second day). Respiration slow, weak,; (after a quarter of an hour). Respiration slow, but not labored, though deep drawn (after five minutes); became slower and slower, until intervals of over one minute intervened. Respiration slow and labored. Breathing slow, laborious, and at long intervals. Respirations became slow, faint, gasping, and finally ceased; with one or two of the respirations there was slight stertor. Breathed slowly and with difficulty, and the respirations were rather deep (heaving), (after fifteen or twenty minutes). Breathed slowly and convulsively, something like violent sobbing. Breathing slowly, with deep, prolonged inspirations, and uttering a moaning sounds. Very slow, excessively deep respirations, whereby the ribs were drawn back to the spine. Breathing exceedingly slow, laborious, and accompanied by a hissing sound; gradually becoming more laborious (after eight or nine minutes). Respiration deep and difficult (second day). Respiration impeded (after half an hour). Respiration anxious. Breathing labored. Difficulty of breathing; she gave heavy sighs, with occasional sobs (after five or ten minutes). Difficult respiration, a feeling as though the lungs could not be expanded as usual (third day). Very difficult rattling respiration. Dyspnoea; respiration stertorous, rattling. Dyspnoea, with slight contraction of both sides of chest (after ten minutes). Dyspnoea, with slight pressure in the region of the heart (after one hour, second day). Increasing dyspnoea. Attack of suffocation, followed by stupefaction, congestion, and constant pain in the chest.

TF Allen
Dr. Timothy Field Allen, M.D. ( 1837 - 1902)

Born in 1837in Westminster, Vermont. . He was an orthodox doctor who converted to homeopathy
Dr. Allen compiled the Encyclopedia of Pure Materia Medica over the course of 10 years.
In 1881 Allen published A Critical Revision of the Encyclopedia of Pure Materia Medica.