Ferrum iodatum

Ferrum Iodatum 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….


Ferrous iodide; Iodide of Iron; Fel. Preparation: Trituration of freshly prepared crystals.


Confusion and Vertigo. Confused and heavy feeling in the head, especially in the forehead; smoking brings back the headache and aggravates it, but win does not (third day). Headache, but more especially a confused feeling, principally in the forehead. Transient dizziness. General Head. Cephalalgia. Headache, a confused sensation, with feeling of heaviness and pressure, especially in the forehead, more on the right side, aggravated by putting on the hat, reading, writing, etc., better in the open air, sitting down or standing in a draft of air (second day). Slight headache or rather confused sensation, especially in the forehead (second day). The headache returns, especially in the forehead, soon after the evening dose (second day). The headache returned after smoking (sixth day). The headache continued the whole day without intermission, worse in the warm room, on stooping, shaking the head, walking rapidly, reading, writing, etc., better in the open air, a draft, and in the cold air, and was only relieved towards evening (second day). Forehead. Sensation like a headache, in the forehead, above and between the eyes, continuous and aggravated on going to bed (after ten minutes, first day). Slight headache in the forehead (third day). Dull headache in the forehead (eighth day). Slight drawing- tearing through the forehead, above the eyes (second day).


Painful lancinations in eyes and ears.


Roaring in ears.


All the symptoms of coryza, profuse discharge of mucus from the nose, and frequent expectoration of mucus from the larynx and trachea (after one hour). Feeling throughout the whole night as though I had taken cold and had a coryza; the stoppage of the nose was so great that I could not breathe through it, but was obliged to sleep with open mouth; this symptoms, however, suddenly disappeared between 5 and 6 A.M. (fourth night). The nose became again stopped (on the two preceding days it had been freer), (fourth day). Nose dry, stopped as in coryza, freer towards noon (second day).


Slight uniform injection of the face.


Tongue. Tongue coated thickly yellow (eighth day). Burning on the forepart of the tongue, where the drug had lain, lasting the whole night (first night). General Mouth. Mucous membrane of mouth and throat of a uniform bright-red color, or more frequently dotted with red, and presenting a fine, dense, bright- red, papular, eruption (four cases). Burning pain in mucous membrane of mouth and pharynx, with sensation of pricking and swelling on the internal surface of the cheeks, at the root of the tongue, on the isthmus faucium, in the pharynx, and sometimes all along the oesophagus; sometimes the contact of food is so painful as to prevent mastication (four cases). Unpleasant dryness of mouth and throat (immediately). Marked alteration in the sense of taste (four cases). Taste. Insipid taste in the mouth (third day). Taste insipid, bitter in the back of the mouth (fourth day). Flat, insipid taste even after rinsing the mouth, and only disappearing after breakfast (second morning). Taste bad, pasty (fourth day). Very bad taste in the mouth, in the morning (eighth day). Offensive taste in the mouth, immediately after the evening dose (second day). An offensive, sharp, biting taste in the mouth, immediately after the dose (first day). Taste of peppermint (after a quarter of an hour). Slight inky taste, which increased, and in three minutes became sour, like that of sulphate of iron; most perceptible at the isthmus faucium (immediately).


Frequent rattling of mucus in the throat and expectoration of mucus (third day). Hawking of mucus, and cough, with expectoration (sixth day). Violent tickling and scraping in the throat and nose, with a sensation as though he would suffocate; he was obliged to hawk in order to raise mucus from the throat. Indescribable sensation, not painful, along the oesophagus (after five minutes).


Anorexia (four cases). Appetite. Appetite less than usual (third day). No relish for food (eighth day). Did not relish smoking (sixth day). Thirst. Thirst (four cases). Eructation. A continuous inclination to eructate, with frequent eructations (immediately), (first day). Increased eructations, after eating (second day). Violent eructations, some nausea and a qualmish sensation, after supper (seventh day). Nausea. Nausea and vomiting (first and second days). Nauseated and qualmish, at times (eighth day). Qualmish sensation in the stomach (second day). Stomach. Burning in the stomach and intestines, or rather a feeling of heat and fever; after the evening dose (seventh day).


Rumbling in the intestines (second day). Rumbling in the abdomen, with slight colicky pains, before the stool (fourth day). Rumbling and gurgling in the intestines towards morning, previous to the stool (second day). Much rumbling in the abdomen before the stool, in the evening (fourth day). Much rumbling in the bowels, with increase of the pains after eating, in the evening (eighth day). Frequent emission of flatus smelling of Iodine (eighth day). Emission of much flatus smelling of the Iodine (fourth day); (eighth day). Some pain before the stool (third day). Pain in the abdomen before the stool; stool small, of a lighter color than usual (third day). Great pain in the abdomen, especially about the middle, together with much flatulence and great urging to stool (seventh day). The pain in the abdomen was relieved after a natural yellowish-brown stool, mixed with black portions (seventh day). Renewed pain in the abdomen, with urging to stool, followed by a stool somewhat darker than on the preceding day, at 10 P.M. (twelfth day). Colicky pain usually beginning about the umbilicus, and extending downward about the right side (ninth day). Some soreness and rumbling in the abdomen (third day). Feeling of soreness in the abdomen, the whole day (fourth day). Sensation of great soreness, with much colicky pain in the abdomen, especially after eating (sixth day). Pulsation in the abdomen, with a feeling of great soreness; in the evening (seventh day).

Rectum and Anus

Feeling in the rectum and especially in the anus as if it were compressed, a constriction as if worms were in it, while the stool was easy and without pain (seventh day). A peculiar feeling in the rectum and anus, as if something twisted and turned about in a circle, and something like drops of water flowed down, and as if a screw were boring upward and downward; the whole of the third day. Urging to stool, with much pain in the abdomen (drawings from above the umbilicus down the right side), followed by a small stool of a yellowish-brown color and somewhat hard, in the morning (fifth day). Ineffectual urging to stool in the morning (fourth day); in the evening (eleventh day). Frequent ineffectual urging to stool, in the evening (second and third days).


Diarrhoea. Two diarrhoeic light-yellow stools, preceded by pain (tenth day). Stool in the morning and evening, preceded by much pain, thin, diarrhoea-like, light yellow (ninth day). Stool soft, very thin, like diarrhoea, light yellow, followed by relief of the pains in the abdomen (eighth day). Stool black. Constipation. Stool smaller than usual, light brown, passed only after much urging and pressing, although it was rather soft (fourth day). Stool very small, less than usual (second morning). Small hard stool, with sticking and pain as from constriction in the anus on the passage of faeces through it (seventh day).

Urinary organs

Urethra. A feeling as though the water remained in the fossa navicularis, and could not be forced out any farther, in the morning (seventh day). Slight pain in the whole of the urethra, then in the whole of the penis, on urinating (seventh day). Some pain in the urethra on urinating, which I was frequently obliged to do, although in small quantities, in the evening (third day). Awakened once by an erection, with very violent pain and burning in the whole of the urethra, was not, however, able to urinate, as it seemed, in consequence of the tenesmus of the neck of the bladder, although there was a most violent and excessive urging thereto; I cannot say how long this symptom continued, since, in spite of the violent pain, I fell asleep (sixth night). A peculiar crawling tickling in the urethra, and especially in the rectum, the whole day (fourth day). Rather severe prickling p73 itching in the urethra, especially in the forepart, with frequent urging to urinate, but very little urine at a time (seventh day). Frequent desire to urinate, with some pains and a sensation of soreness in the urethra during micturition (fourth day). Micturition. Frequent and profuse emission of urine, which is light yellow, and has a sweetish smell (fourth day). Frequent and profuse micturition, with slight pain in the whole of the urethra (fifth day). Urine. Urine light yellow, with sweetish odor (ninth day). Urine bright yellow, smelling sweetish, with a slight white milky sediment; in the evening (sixth day). Urine dark-colored (eighth day). Urine darker than usual, depositing a thick white sediment, about one-eighth part of the whole (twelfth day).

Sexual Organs

Frequent erections, the whole night (tenth day).

Respiratory Organs

Larynx. Irritation to cough and expectorate in the afternoon, with great accumulation of mucus in the throat (second day). Cough and Expectoration. More frequent cough. Cough, with expectoration of grayish-white, rather tenacious mucus drawn out in threads (third day). (A short hacking cough, with white- yellowish, rather thick expectoration, and at times with pains in the chest, which had troubled me more or less during the previous winter, ceased on the ninth or tenth day entirely, and did not recur during the whole of the next winter). Cough worse than ever, with more hawking in the throat and expectoration of mucus (sixth day). Slight hemoptysis. Respiration. Shortness of breath; was obliged to take a deep breath, with sensation of oppression of the chest, and a pressure beneath the sternum (fourth day). Increased dyspnoea.


Congestion of the lungs. Oppression of the chest, as if a great weight lay upon it (sixth day). Oppression of the chest, more in the upper portion of the lungs (second day). Great oppression of the chest the whole day; was obliged to take a deep breath, which caused a feeling of soreness in the chest, together with a feeling of oppression, as though expansion of the thorax were prevented; there was, however, no really acute pain on inspiration (seventh day). The oppression of the chest, which had been less, returned very violently after the evening dose (seventh day). There are still some oppression of the chest and some expectoration of mucus, which is thick and yellow (tenth day). Slight oppression of the chest, especially on breathing (fourth day). Sharp pains in the chest, at times, as yesterday, more oppression, and a pressive sensation in the left side as yesterday, but to-day also in the right nipple outward to the arm, 11 A.M.; this pain was aggravated by pressure, and frequently returned during the afternoon and evening (fourth day). Some pain in both sides of the chest, deep in the abdomen, and in the region of the spleen (where it was more like a stitch), on respiration in the evening (fifth day).

Heart and Pulse

Increased pulse. Pulse in the morning 80, at noon 84, at 3.30 P.M. 102, at 10 P.M. 84 to 88 (seventh day). Pulse 80 in the morning, 100 at 4 P.M., 80 in the evening (sixth day). Pulse 90 in the morning, 88 in the afternoon (fourth day). Pulse in the morning 80, at noon 88, in the evening 80 (fifth day). Pulse in the morning, 76, in the afternoon 84 to 88, somewhat feverish, in the evening 80 (eighth day). Pulse in the morning 80, at noon 72, at 3 P.M. 84 to 88 (not so feverish as yesterday), in the evening 72 (fourth day). Pulse increased from 75 to 85 (after a quarter of an hour). Pulse in the morning 80, in the afternoon 84, in the evening 80 (sixth day).


Painful sensation in the back and kidneys and lower portion of the spine, starting from the lumbar vertebrae (fourth day). Pains in the back and kidneys, which become worse in the evening and extend farther downward (seventh day). Rather violent pain in the back and kidneys (eighth day). The pains in the back and kidneys and the headache were worse in the evening (eighth day).

Extremities n General.

Weakness and a bruised sensation in all the limbs, with great aversion to moving about (sixth day). Paralyzed and bruised feeling in all the limbs, especially in the legs (eighth day). Painful drawing in the tendons on the back of the right hand and left foot (eighth day).

Superior Extremities

In the evening, the right arm was so weak that he was obliged to stop writing, because the arm was so weary and felt as if paralyzed (seventh day). A rheumatic paralyzed feeling in the right upper arm and right shoulder (sixth day). Rheumatic bruised sensation in the upper arm, especially in the right (seventh day).

Inferior Extremities

Rheumatic pain, extending upward from the back of the left foot to the pelvis, in the evening (eighth day). Bruised, paralytic sensation in the thighs, extending down to the knees, which are very heavy; the legs, however, feel much lighter in proportion; during the afternoon this paralytic sensation extends down into the calves, even the right tibia is very painful (seventh day).

General Symptoms

Objective. General turgescence of the peripherals capillary system. Very indolent and sleepy, with bruised feeling in all the limbs, especially the calves, in the evening (fifth day). Great weakness (seventh day). Great weakness the whole day, with weary bruised sensation of all the limbs, especially of the lower extremities and calves (fourth day). General exhaustion and sleepiness (seventh day). Subjective. Symptoms of plethora. Sensation of weakness of the body and as if bruised, the whole night (seventh night). Some dull pain in and beneath the shoulders, in the nape of the neck, and in the joints of the lower extremities (seventh day).


Short-lasting cutaneous eruptions, like urticaria, eczema, and lichen.

Sleep and Dreams

Sleepiness. Sleepiness in the morning, though after a long sleep at night; had not desire to rise in the morning (fourth day). Sleeplessness. Night restless, with frequent waking, many dreams, with easy erection (sixth day). Sleep rather restless during the night; dreams of long-past events at night, as in the preceding proving. Frequent waking, with excessive urging to stool, and pain on micturition (sixth night). Sleep bad, night restless, frequent waking, and dreams of long-past events; in my sleep it seemed as if I had grown exceedingly large and was thirty to fifty feet high; everything about me seemed small and insignificant; the bedstead was too small and short; frequent starting in sleep, and waking with feeling as though paralyzed, and the hands and feet could not rest (seventh night). Dreams. Dreams (first night). Awakened from sleep by dreams of thieves and of fighting with them (third day).


Chilliness. Some Symptoms of coldness about noon; pulse 68 (normal 70); after 3 P.M. some fever, pulse 84 at 3.30, 80 at 4 P.M. (second day). The coldness returns between 12 and 1, with chilliness and sleepiness, so that the eyes close; at 3.30 P.M. the pulse becomes feverish, 96, with heat and fever; an hour later the pulse was 80, and the headache began to disappear (third day). Feeling of coldness in a warm room near the stove, about 10 A.M.; after 12 the pulse was 84, and I was very sleepy, with dull sore feeling in the back and kidneys, without fever in the afternoon (third day). Cold and chilly from 9 to 10 A.M., although the room was warm, without, however, fever in the afternoon, but the feeling of chilliness and coldness returned in the afternoon (fourth day). Heat. Some fever in the afternoon (sixth day). The fever returned in the afternoon, commencing about noon, becoming quite severe at 3 P.M.; the skin was not very dry, but warm and hot; at 4 P.M. the fever disappeared and the pulse decreased, the skin began to be moist, but there was no very profuse perspiration excepting on the forehead (seventh day). Very hot and feverish, but without perspiration, either during or after the fever (seventh night).


Aggravation (Morning), Bad taste. (Evening), Pain in back, etc. (Going to bed), Sensation in forehead. (Breathing), Oppression of chest. (After eating), Eructations; pain in bowels; soreness in abdomen. (Wearing hat), Headache. (Pressure), Pain from left nipple to arm. (Reading), Headache. (Shaking head), Headache. (Smoking), Feeling in head. (Stooping), Headache. (Walking fast), Headache. (Warm room), Headache.

(Writing), Headache. (Open air), Headache. (Cold air), Headache.

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.