Mercurius Iodatus Ruber homeopathy medicine – drug proving symptoms from Encyclopedia of Pure Materia Medica by TF Allen, published in 1874. It has contributions from R Hughes, C Hering, C Dunham, and A Lippe….


Mercuric iodide, HgI2. Biniodide of mercury (Hydrargyrum bin iodatum). Preparation for use: Triturations.


Great cheerfulness, in the evening after pleasant things had happened (first day). The head is worse; but he is good-humored, even merry (twelfth day). Low-spirited and disposed to cry (after four days). Ill-humor about little things, in the morning (second day; not on fourth day again on fifth day). Ill-humor, and bad taste, on waking in the morning. Ill-humor, during toothache.


Vertigo. Excessive giddiness; everything seems to reel round her (after four days). General head. Dulness in the head, occurring often in the course of the proving, in the afternoon. Dulness of the head, and slight pressing pain on the left side, like during a coryza (eighth day); relieved by walking in the open air (tenth day). A drowsy, stolid feeling in the head. Heaviness in the head, with soreness over the bowels (thirteenth day). Dull heavy pain in the head (fifth day). Pain in the head and heat. Pain in head; and slight pain in throat and left eye (tenth to twelfth day). Pains in the bones of the head, chiefly the occipital (after four days). Fulness in the head (second day). Dull pain in left half of brain with the sensation in anus as from piles (fourth day). Every day, some headache. In the morning, headache, disappearing with a coryza, which ceases at noon (tenth day). Headache, worse in the forehead, afternoon, 4 o’clock (seventh day). Headache, particularly in the afternoon and evening; at the same time, a drowsy, stolid feeling in the head (third day). Headache at night, continues in the morning; later only right side, congestion as with a cold; in the afternoon changing sides (sixth day); next day still more congestive; during the evening on right side only, of unusual continuation till late (seventh day); towards morning the same in bed; less after rising (eighth day); better (ninth day). Headache while sitting still, after sleeping during the day (second day). Headache and sticking lips. Headache and sleeplessness. Severe headache all over, 8 P.M. (first day); all day (second day); the same (eighth day) slighter (ninth day). Violent headache, with nausea, from morning till 2 P.M.; returns in the evening, particularly in the forehead (twenty- first day). Pressure in head, and pain in chest (the most on ninth day). Pressive pain in the head all day. Slight pressing pain in the left brain, 6 to 8 P.M. (third and fourth days). Pressing aching in the head and ear (seventh day)). Forehead. Heavy feeling in the forehead all day, but more severe than the day before, and in the evening he had with it a severe beating throbbing in the right side of the head, from the front part of the head to the vertex. Slight heavy pain right through the forehead up to the vertex, also the same sensation in the outside of the skull (from 2 grains of 2dk trit., taken in the evening). Pain in the forehead (first day). Burning in forehead 2 P.M.; eyes burn and are inflamed, till 10 P.M.; next morning better (fourth day). Sensation in frontal region as if her head was bound around with a tight cord (after four days). Slight headache in the region of comparison (third day). Dull pressing pain in fore head and left side, 9 P.M.; drawing and sticking 10 P.M. (first day). Dull pressing pain in forehead, most severe in right side, continuing at intervals from 7 to 10 P.M. (second day); with sticking pain in the heart, till 9 P. M. (third day); slightly, 3 P. M. (fourth day); pain in head and heart, same as third day; forehead and heart (sixth day). Sharp pain in sinciput over both eyes, at 11 A.M. (first day). Pressing- stitching pain in forehead, throat, left eye, and left cheek (seventh day). Dull, rending, tearing, gnawing pains in forehead; increased during the night, disturbing sleep (third day). Temples. Pain in temple and jaws (seventh day). Vertex. A great heat in the vertex, only objective, all day. In the evening, 11 P.M., felt the vertex very hot, and a slight pulsation in it (sixth day). Parietals. Slight heaviness, and in the afternoon slight throbbing beating from vertex down to the nose, on the right side (sixth day). Headache, left side (first day). On rising, disappearing; headache in the right side of the head. Headache, after a while one-sided; goes from right to left side; (fifth day); disappears after dinner,. On waking pressing headache, left side, disappearing in the evening (eleventh day). Pressing-stitching pain at sides of head, just above the ears, 4 P.M. (fourth day). Occiput. Dull pressure in the cerebellum below the protuberance of the os occipitis; a while after pressure over the eyes (inhaling the vapor). External Head. Several small pimples on the hairy scalp, without itching; contain some pus, and from crusts (seventh to ninth day). Small pustules on the head (fifteenth and sixteenth days). Outside of skull feeling heavy.


Objective. Eyes inflamed, particularly the right (eighth day). Eyes inflamed; right eye worse; bright light irritates greatly, so that he keeps it closed (third day). Right eye inflamed, and slight lachrymation (first day). Eyes much inflamed, and burn (twenty-first day). Right eye much inflamed, blood vessels injected (second day); both eyes; right eye weeps greatly (fourth day); still inflamed and weeping, while both eyes pain (sixth day). After three months he found his right eye much stronger than he ever remembers it to have been; he can bear a light directly on that eye, without pain or uneasiness, much stronger than he ever could before. Subjective. Pains in and over the left eye (second day). Eyes burn, are inflamed, afternoon till evening (fourth day); less inflamed, but weak and hot (ninth and tenth days); after the urging to stool and strong itching disappear (thirteenth day); this inflammation returns (fourteenth day). Pressing or sticking in the eye. Brow and Orbit. A pain in the left supraorbital bone he had once before reappears (second day). Pressing pain over left eye (fifth and sixth days). Lids. Eyelids affected by the catarrh (eighth day). Lachrymal Apparatus. Eyes watery, look slightly swollen. Vision. Dimness of sight (first day).


Increased secretion of the earwax (sixteenth day). Occasionally rheumatic pains in left ear, as if it would prove a violent and long-continuing otalgia; lasting but a moment, but frequently returning. Earache in right ear, morning in bed (third day). Pressure in ear, with headache. All night, itching in both ears (third day); in the right ear (sixteenth day). Continual itching in the right external auditory passage; with that, the improved hearing continues (tenth day). Hearing. Hearing dull (third, sixth, seventh, eighth, ninth, tenth, twelfth, and fourteenth days). Hearing as usual, dull in the morning (fourth and fifth days). Hearing dull in the morning, returns after going out of doors, 10 A.M.; closing only for moments (fifth, tenth, fifteenth and sixteenth days). Dull hearing all day; several days (tenth to twelfth day); better in the evening (eighteenth morning, nineteenth day). Hears better with the right ear, and the improved state continues longer while he takes every morning a shower-bath (first day). Hears better with his right ear; disposed to put his finger in this ear to cause a pressure of air on the drum; at the same time the right nostrils runs, more in the evening while drinking tea (third day). The right ear opens, 2 P.M. (eighth and fourteenth days); sudden return of hearing (first and twelfth days). Hearing returns not till evening, after painful jerks in the teeth (fourth day). Sudden return of hearing with the right ear, followed by itching in the meatus externus (fourth day),. Hearing improves with the coryza,. Hearing improved at noon and afternoon, at 2 o’clock. Singing in the ear, in the evening (tenth day).


Objective. Swelling; hot and inflamed state of right side of nose, with coryza (after four days). Running of nose, with a good deal of sneezing (second day). In the morning, after a good sleep a great deal of mucus is discharged from the nose (tenth day). Discharge of much clear phlegm from the nose, and also more tears, as usual, without a cold or coryza (second week). Blowing the nose, some bloody phlegm is discharged (sixth day). Fluent coryza from the right nostril, in the evening. Coryza and dull hearing disappear after getting warm from walking (eighth day). Rumbling coryza in the forenoon, ceases at noon (tenth day); or afternoon, increasing till 11 A.M.; ceased in the evening (sixth day). Cold in the head (second, fifth, and eighth days); better (ninth day). Cold in the head and hoarseness (seventh day). The cold in the head disappears in the open air, but returns in the warm room; with it there is a cough from irritation (ninth day). Subjective. Right nostril stopped by a cold (fourth day). In the morning nose is somewhat stopped, or in the forenoon, 9 to 10 (seventh and tenth days). Nostrils and throat ache, are dry. Irritation of mucous membrane of nose, causing constant snuffing (after half an hour, first day),. Tickling in the nose, causing him to sneeze (from the trituration). Tickling in the nose, irritating to sneeze (from the vapor).


Cheeks. Aching pain in left cheek and left eye, which appears slightly inflamed (sixth day); the albuginea considerably inflamed, and some pains (eighth day). Pressing sticking in the cheek. Heavy, dull aching in the upper jaw, and then in the lower; mostly on the sides, worse in the right. Lips. Lips slimy and sticky on waking (fourth day); sticking together, with headache (sixth day). China He pressed the teeth so much during sleep that the muscles were lame and tired on waking. Pain in the jaws and temples (seventh day).


Teeth. During dinner, pain in all the teeth from chewing (eighth day). Hollow teeth ache, right side (ninth day). Toothache in the right molars (eighth day). Toothache, more on the left side; heretofore more subject to get it on the right side (third and fourth days); both sides (fifth day); right side (sixth, eighth, tenth and fourteenth days). Toothache in right lower jaw, in a hollow tooth; afterwards painful jerks in the left (fifteenth day); the same in the afternoon, 5 O’clock (third day). Toothache on the left side, at night before falling asleep; unusually ill- humored with it (fourth and fifth days). After the meals, toothache threatening (ninth day). For several hours, acute rending pain in the teeth of the upper and lower jaw, towards the right (eighteenth day). Fine stinging in the teeth, at times (seventh day). During breakfast teeth sensitive (eighth day). Painful jerks in the teeth, afternoon, and better hearing. Gum. Redness of gum (first day); better (second day). The gums feel sore, as if he was going to be salivated. The gum of upper jaw, right side, over the second molar tooth, became excessively tender to touch, as if an abscess was forming; this tenderness continued for four days; on the sixth day it had entirely disappeared without forming an abscess. Tongue. A small blister on the point of the tongue (second and third days). Tongue constantly dry, with desire to wet the mouth. The tongue and whole buccal cavity seemed sensitive, as if brunt with hot tea. Scalded feeling on tongue, one hour after breakfast (first, seventh, and twelfth days). General Mouth. Sensation in the mouth as if there were fibers in it (tenth day). In the middle of the left cheek, soreness inside (second day). In the mouth, on lower lip, a small sore spot (fourth day). Sensation of being burned in the mouth, in the forenoon (fourteenth day). Saliva. Salivation (fifth day). About 12 O’clock at noon, an increase of saliva in the mouth (sixth day). Unusual afflux of saliva from the salivary glands for the first twelve hours, tasteless, after fresh taste; salivation returned later again; mouth constantly filled with a decided metallic taste. Much saliva in the mouth (fourth day). Profuse flow of saliva, and aching pains in teeth of lower jaw (after four days). Large collections of water in the mouth (third and fourth days); not so much, but obliged to swallow or expectorate (eighth day). Taste. Unusually fresh taste, after an unusual afflux of saliva. Taste right, but flabby (sixth day). Pappy taste in the mouth, but a good appetite (fifth and seventh days). Slimy taste on waking (third day). Bad taste on waking (third day). Bitterness of taste (after four days). In the evening (after second dose in the morning), metallic taste of Iodine in the mouth; the gums feel sore, as if he was going to be salivated.


Objective. Slight superficial ulcers in the throat in patches, like islands in the ocean. Phlegm in the throat. Much phlegm in the throat and nose (eighth day); hawking it out of the throat (tenth day). Hawking and spitting of a small quantity of white, tough expectoration through the day (second day). Subjective. Disposition to hawk (seventh day); sensation as if a lump in the throat, with a disposition to hawk it out all day; hawked up a hard greenish lump (eighth day). Throat and nostrils dry. Pain in throat, and head, and eye (tenth to twelfth day)0. Sticking pain in throat (sixth day); pressing and sticking (seventh day). On waking, sore throat; feels as if scalded; worse during empty swallowing; all day quite troublesome (sixth day). Sore, throat, worse during empty deglutition (third, fourth, seventh, and eighth days). Slight sore throat; a disposition to cough (first day); quite sore and inflamed, cough frequent, and expectoration more than usual (second day); left tonsil inflamed and swollen, velum elongated, which seems to be the cause of coughing (third day); both tonsils swollen and inflamed, velum the same (fourth day); not so much, eyes also better, but headache very severe (fifth day); lessening (sixth day). Tonsils. Painful swelling of tonsils and submaxillary glands (after four days). Swallowing. Almost constant desire to make an empty deglutition, apparently from a large collection of water in the mouth, and from a sense of fullness in the throat (third day). External Throat. Glandular swellings of the neck in scarlatina. During eructations, pain in region of right parotid gland for two hours; but for twenty-four hours there was soreness to touch of right parotid.


Appetite. Inclination to have the food more salted (twelfth day). Thirst. Desire to drink but small quantities. Eructation. Eructation, with the desire for stool. He had to belch up wind frequently. Loud and bitter belchings (after four days). Heartburn. Heartburn after dinner (fifteenth day). Nausea. Nausea while passing a diarrhoeic stool (after four days). Nausea, with headache. Nausea and sore throat (after half and hour, first day). A sensation of nausea and sinking at the stomach, or in the epigastrium; with a general sick feeling (thirteenth day). Squeamishness during the meals, several days. Squeamishness of the stomach, with uneasiness and laziness all over the limbs, at the same time with rheumatic pains. Inclination to vomit, and constant strong desire for stool. Stomach. Pain in the stomach, 10 A.M. (fourth day). Pain on pressure at epigastrium (after four days).


Hypochondria. Pain in right hypochondrium (yesterday in the left), with a drawing sensation in the anus as if haemorrhoids were coming (one hour after a dose), continues somewhat till the sixth day. A heavy, painful feeling in the region of the liver, pancreas, and spleen, which does not continue all the time (thirteenth day). Aching and full feeling in right hypochondrium (third day). At first, transient drawing pains in the left hypochondrium; afterwards a lame sensation there in the morning (eighth day). Sprain like pain in the right hypochondrium, near the pelvis (thirteenth and fourteenth days). Sudden cutting pain in the region of the liver (fourteenth day). Left waist feels sore on bending (fifth day). Umbilical. Distension of abdomen about the navel, with pain at part on pressure (after four days). Pain around the navel (first day). General abdomen. Purring or rumbling in the abdomen (tenth day). Loud rumblings in the bowels (second day)). From 6 A.M. till 3 P.M., weakness in the bowels, stomach and partly extended into the chest; a feeling as if the bowels would be moved; during this time, he had to belch up wind frequently (first day). Bellyache like before a stool, evening (seventh and ninth days). Sensation similar to threatening colic, evening till fully asleep (first day). Slight soreness all over the bowels; rumbling and soreness all over the bowels, with slight heaviness of the head (thirteenth day). In the morning, after a good night’s rest, pain as if sprained in the right pelvic region, towards the back, disappeared while walking (fifth day).

Rectum and Anus

Pains in anus, as if hemorrhoids would appear. Frequent desire to stool, with pain in the abdomen. Motion in abdomen, and urging to stool, without an opening, from 11 o’clock, the whole night through (thirteenth day).


Easier passage, and not so thick as usual (second day); with less difficulty than usual (fifth day). Diarrhoea, in the morning. Diarrhoea, with pain in the abdomen. Pain in the abdomen, with diarrhoea, from 11 P.M., the whole night through (twentieth day). Soft stool (sixth and eighth days); four firm stools in twenty four hours, more at night (tenth day). Severe griping and colic pains, forcing him to go to stool, followed by a very large copious but not loose discharge of rather a light-brownish color; could not make any water at all as long as the discharge lasted; after the discharge the urging and desire for an evacuation continued, with irritation and itching in the rectum, all around the sphincter ani, which felt as if it protruded a little. About 11 o’clock he had again severe colic pains, which left him, after a pretty loose, light yellowish brown, somewhat watery discharge, coated with mucus, and of a slight bloody appearance; after the discharge a slight tenesmus existed for awhile, but the colic pains disappeared more and more, and only great soreness of the bowels remained after dinner, at 2 P.M., the colic pains again returned, with a thin, loose discharge, and slight tenesmus afterwards; in the afternoon and evening only a soreness in the bowels.

Urinary Organs

Bladder. Ulcers in bladder followed its use. Pressure bearing down on the bladder (third day). Urethra. During a normal stool in the morning, sensation in the urethra as if the urine were hot (fifth day). Micturition. Frequent desire to urinate; she cannot hold her water for a moment (after four days). Increased flow of urine (third, fourth, fifth, and sixth days). Urine. Red urine (second and third days). Urine thick and dark on being passed (after four days).

Sexual Organs

Towards 2 o’clock sensitiveness of the right testicle and spermatic cord (third day). Sexual desire, particularly on going to sleep (fourth, fifth, and eighth days). Nocturnal emission (second and fourth days); towards morning (seventh day).

Respiratory Organs

Voice. Voice covered and rough (eighth day). Hoarse and husky, half an hour after getting a little wet in very light shower, in the evening (fifth day). Hoarse, with the coryza. Cough and Expectoration. Irritation to cough. During day spells of cough (fifth to seventh day). Cough, with sore throat. Cough, with a little loose, whitish, slimy expectoration through the day, and accompanied with slight difficulty of breathing (tenth day); cough, with white, thick expectoration; cough became dry in the evening (eleventh day); better afterwards, but prevented him from making another proving. Profuse yellowish expectoration (tenth day). Respiration. Breathing more difficult than usual (ninth day). Difficulty of breathing, with cough (tenth day).


Occasionally pain in chest or heart, most on left side (fifth day). Constriction across the chest (sixth day). Stricture across chest (fourth day); most, painful in the left side. Aching pain across chest (tenth to twelfth day). Pressing pain across the chest (fifth day). Sharp cutting pain in chest, and sticking pain in heart (eighth day). Front. Pressure in the middle of the chest behind the sternum, irritating the cough (from the vapor). Sides. In the afternoon he felt several times a sharp shooting through the right side of the chest like rheumatism, going down the arm. During a walk, sudden sticking in the muscles of the chest, on the left side, exactly on the spot where two years ago he had the commencement of his acute rheumatism (eighth day). Sticking pain in the muscles of the ribs, left side, after walking out during thawing weather; 2 and 3 P.M. (ninth day); somewhat, 1 and 2 P.M. (tenth day). Catching pain under right breast oppressing the breathing (after four days). Awoke from a feeling of great soreness in the whole breast, but only a few minutes (fourth day).

Heart and Pulse

Dull aching pain in heart (tenth to twelfth day). Shooting pain in heart all day (seventh day). Sticking pain in the heart (second day); with pain in head (fourth day); sticking pains without headache (fifth day). Pulse accelerated, beating stronger.

Back and Neck

On waking, stiffness and pain in the neck, in the region of the first or second cervical vertebra, going off in a short time (fourth day). Rheumatic pain, for a short time, in the muscles of the neck and back (sixth day). An aching and stiffening feeling in right splenius capitis (third day). Stitching pain along left side of the neck and in heart, continuing until he falls asleep, from 7 to 10.50 (fourth day)). Severe pain in back of neck, as if he had been struck, at 7 P.M. (fifth day). Pain in os coccygis (first, third, and eighth days); like a pain he had before the proving.

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.