Encyclopedia of Pure Materia Medica by TF Allen

NATRUM CARBONICUM

Last modified on August 16th, 2018

Natrum Carbonicum 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.

Introduction

Sodium carbonate or Disodic carbonate, Na2CO310H2O. Preparation: Triturations of the crystals.

Mind

Emotional. Lively, sociable mood. Excessively lively all day, with great joyous talkativeness. Every event makes a strong impression upon her; a wavy trembling in the nerves, with a sensation of faintness. So much excited by the slightest cause, that he continued to talk with passionate vehemence, until exhausted. Disinclination to talk (sixth day). Great inclination to sing to himself half aloud, for several days (after twenty- four hours). Joylessness. Lachrymose, for several days. Sad, depressed (twenty-ninth day). Sad, melancholy, tremulous, and inclined to weep, with constant sighing, and physical prostration (fourth day). Intolerable melancholy and apprehension; she was wholly occupied with sad thoughts (second day). Sorrowful mood (after six days). Depressed, extremely despondent mood. Anxious, solicitous about himself. Anxiety in the evening, after a footbath of three or four minutes, so that she could not fall asleep for an hour and a half. Anxiety, with tremulous beating of the whole body. Anxiety and restless; he thought he could do nothing properly. Anxiety and hasty restlessness all day; he could not keep the limbs still, especially the arms; obliged to stretch them; it seemed as though they would be torn asunder. Daily attacks of anxiety, with perspiration on the face, several times a day, lasting a quarter of an hour, without pain. The weather causes less anxiety than usual (curative action). Feeling of apprehension in the head (after three days). His fancy is mostly busy with apprehension of the future; he often makes plans for half an hour at a time, as if it would go wrong with him, wherewith he seeks to be alone (after twelve days). Great apprehensiveness after dinner, lasting till evening (twenty-first day). She does not know what to do, on account of apprehensiveness and ennui, and thinks that she is quite lonely and forsaken, all day (sixth day). Dread of the open air; she is averse to it. Dread of taking cold (second day). Great timidity. He is very timid, and starts at the slightest noise (twelfth day). Anthropophobia and fearfulness (second day). He shuns mankind. Ill-humored and solicitous. Ill-humor, discontented and almost inconsolable. Very ill-humored after supper, especially after copious drinking, with pressure in the pit of the stomach, right and left hypochondrium (twentieth day). Fretful mood, almost constantly till the thirteenth day. Fretfulness without cause. Fretfulness, in the evening (after ten hours). Fretful, though with a desire to work. Fretful and peevish; one can do nothing right (fifth day). Fretful, peevish, and ill-humored, after eating; towards evening he was more lively (fourth day). Very fretful for several days after dinner, and still more after supper. Very fretful, peevish, and restless after dinner; he is uncomfortable everywhere; the room seems too small for him, and even in the open air he walks about without anything seeming right to him; it diminishes towards evening (first and fourth days). Very fretful and discontented with the whole world; he constantly felt as though he could beat himself, his whole life angered him, and he preferred to have no existence at all; he was solicitous about the future, and inclined to despair, all day (second day). Peevish (after twenty-four hours). Peevish, irritable mood. Inclined to anger. Easily provoked to anger; with a lively mood. She becomes vexed and angry about trifles. He is angry, and inclined to fight and strike, and cannot tolerate contradiction, in the forenoon (eleventh day). Very sensitive, in the forenoon, as after a vexation (after two days). Alternately sad and joyous. Indifference (after ten days). Intellectual. Resolute, persevering, self-possessed, courageous. Sensation of loss of will power, in the morning on waking. Mood sluggish, phlegmatic indolent (fifth day). Dislike for business; he goes about idly, but when once at work, it goes on as usual (after three days). He has no desire to do anything, and he can keep at nothing long. Ennui; he is absorbed in himself, and does not even know how he is, in the morning (fourth day). Weary of life, in the morning on waking (eighteenth day). Weakness of thought. Inability to think acutely, with vertigo. He cannot think easily; the power of concentration fails him. Internal restlessness. Distraction of mind in the morning (sixteenth day). Completely inattentive. Dulness of sense; he stares without thought, as if stunned by a blow. Very forgetful; he is obliged to think a long time before anything comes to him (third and thirteenth days). He easily makes mistakes in writing (after fourteen days). Stupefaction, in the morning on waking, that only gradually passes away. Almost unconscious of external objects; he reels while walking.

Head

Confusion and Vertigo. Confusion and pain in the head that permit no mental work. Nightly attack of vertigo; with slow violent beating of the heart, roaring in the ears, heat, anxiety as if he would die; orgasm of blood; aggravated by the slightest motion, or speaking a single word; at the end of the attack, chilliness and trembling. Vertigo on turning the head. Vertigo after mental labor, with dull pressing inward in the temples. Vertigo almost constantly, while walking; she reeled while walking. Vertigo very frequently during the day, like a whirling in the head, even while lying down. Vertigo, threatening to fall to the left. Vertigo even to falling down, while walking about the room, followed by great weakness of the hands and feet (first day). Excessive vertigo, like a faintness, after taking a spoonful of wine. General Head. The head is dull, dizzy heavy, during fatiguing work, especially in the sun (after ten days). Headache constantly, like a reeling in the head, and very painful confusion, followed by heat in the head; relieved by moving about in the open air, aggravated during rest and while sitting, for two days in succession (after ten days). Rush of blood to the head. Great rush of blood to the head on stooping, as if everything would come out at the forehead; if he then lifted and carried anything, a beating in the head, disappearing on rising (thirteenth and fourteenth days). Violent rush of blood and heat in the head while sitting in the house, especially in the evening, for several days, even on the twentieth day; it was not noticed in the open air nor in bed. Rushing of blood in the head (third day). Dulness of head, as after too long sleep. Heaviness of the head, and burning in the eyes, almost daily, after dinner. When awakened at night, the head seemed heavy, with dull pressive pain, and flat taste in the mouth (twentieth day). Headache at noon, mostly low down in the occiput. While walking in the open air, he is attacked with headache and coryza. Headache and tension in the nape of the neck, before menstruation. Constrictive pain in the head. Dull headache after vomiting, no appetite, a white coated tongue, and flat nauseous taste (sixth and seventh days). Confused and dull drawing pain in the head, after dinner (sixth day). Pressive stitches through the head, during physical exertion (twenty-second day). Tearing in the whole head, in the afternoon (thirteenth day). Bruised headache, internally and externally. Some very acute jerkings in the head. Forehead. Sudden sensation of warmth in a spot as large as a half dollar, in the left side of the forehead above the orbit, as though a warm substance were lying there, frequently intermitting, at 9 A.M. (third day). Tensive pain in the right frontal sinuses (twentieth day). Pain as if the forehead would burst, especially after moving about, with a stopped sensation in the head, for several days, from 7 A.M. to 5 P.M. Sensation of a cord tight about the forehead, spreading warmth (after one hour). Headache in the forehead, on suddenly turning the head. Dull headache, like stupefying pressure in the forehead, in all positions. Pressure and heat for a short time in the forehead, in the forenoon (ninth day). Pressive pain in the left side of the forehead, in the morning on rising (third day). Sharp sticking in the right frontal region; on ceasing there, it appears in the right side of the occiput (fourth day). Frightful sticking and burning in the forehead, also sticking in the temple, in the evening, lasting till lying down, and continuing for an hour in bed, together with a sensation of external heat in the forehead (first day). Stitches in the forehead. Stitch behind the right frontal eminence (first day). Violent cramp like tearing in the forehead, extending into the eyes and tip of the nose. Sticking, transient throbbing in the forepart of the forehead, at noon (fourth day). Intermitting beating pain extending outward through the forehead, just above the margin of the left orbit (after one hour). Temples. Pain pressing from within outward in the right temple, in the afternoon (eleventh day). Violent tearing in the right temple, and side of the forehead, relieved for a short time by pressure, during menstruation (nineteenth day). Vertex. Pressure and a sensation of heat in the vertex and forehead (first day). Violent stitch in the left side of the upper part of the head, in the forenoon (third day). Throbbing headache in the top of the head, daily, especially in the morning. Beating in the vertex, that is very sensitive to pressure, after dinner (sixth day). Painful beating or throbbing over the whole top of the head, as if in the bone, in the forenoon (fourth day). Pressive shocks in the upper part of the head, in the evening on falling asleep. Parietals. A few sharp stitches in the upper part of the left parietal bone (after three hours). Fine stitches in the left side of the head (sixth day). Tearing and sticking, extending from the left frontal eminence to behind the ear (first day). Painful tearing and throbbing in the left side of the head, during menstruation (nineteenth day). Occiput. Sensation of painful emptiness in the occiput, with weakness and hoarseness of the voice. Pain extending from the occiput to the vertex (twelfth day). Tension in the occiput. Dull pain in the occiput (fifteenth day). Drawing and tension in the right side of the occiput as if it would draw the head backward. Long-continuing pressure in the right side of the occiput (third day). Dulness in the occiput, like a dull pressure, in forenoon (after eighteenth days). Dull pressure extending from the occiput to the nape of the neck, with drawing pain, that at last also extended to the forehead, with vertigo, eructations, and dimness of vision (first day). A sharp stitch, followed by burning, in the right side of the occiput (first day). Several fine stitches in the right side of the occiput, in the evening (first day). External Head. Motion of the scalp from behind forward and back again. Profuse falling of the hair, for several days (after three days). A boil on the occiput, more towards the nape of the neck, lasting a long time. An almost painless boil on the occiput, as large as a hazelnut. Pain externally low down in the occiput. Transient external headache, here and there, in the sides of the head, in the ear, etc. (after forty-eight hours). Pain to the touch in both occipital protuberances.

Eye

Objective. Swelling beneath the left eye, so that he could scarcely see out of it, with burning now in the right, now in the left eye, in the morning on rising (fourth, fifth, and sixth days). Inflammation of the eyes, with sticking pain. It appears to dissolve the fibrin of the blood, and causes an excessive fluidity of it, produces a kind of leucoma, and finally ulceration of the cornea. The workmen who have to pound the crude article are the most exposed to its influence; all day long they are covered with soda suspended in the atmosphere in the form of a fine powder; it is chiefly among them that keratitis with ulceration occurs; the ulcerative keratitis is always large and deep, and as often precedes as follows the other symptoms. Small ulcers about the cornea, with stinging pains in the eye, so that she was obliged to shade it from every ray of light. Subjective. Dryness, a sensation of heat, and a feeling of contraction in the eyes (after two days). Stickiness of the right eye, as if it were full of mucus, all day. Pain in the eyes, in the morning (after seventeen days). Burning in the eyes, only in the forenoon (third and fourth days). Burning in the eyes, in the evening, lasting until after lying down (seventh day). Burning in the eyes while at work, especially reading and writing, together with sensation of dryness in the eyes, as if he had wept much (tenth day). Sudden burning in the right external canthus, immediately afterwards in the middle of the eye, whence it extends into the inner canthus, and as it ceases there a sticking in the left eye extending towards the outer canthus, with a feeling as though a hair were in it, though it immediately disappeared, at 2 P.M. (second day). Dull stitches in the right eye, while sitting (fourth day). A fine sharp stitch in the left inner canthus that forces out the tears, at 11 A.M. (third day). Needle like stitches in both eyes, after dinner (eighteenth day). Itching in the right eye, disappearing on rubbing, in the morning (second day). Itching and biting in the right eye; was obliged to rub it, which, however, relieved it but little, but on moistening it with saliva, the itching and biting ceased (third day). Violent itching in the right eye, that waters on rubbing, at 11 A.M. (tenth day). Orbit. Pain in the bones of the orbit. Lids. Swelling of the upper lids (after fifteen days). Inflammatory swelling of the right upper lid, without redness of the conjunctiva, with pressure in it, feeble-looking face, and some mucus in the canthi (after ten days). He could hardly open the lids; they involuntarily closed. Frequent closure of the lids, like an involuntary winking, with a burning sensation in the eyes, especially in the afternoon. Constant closure of the lids, followed by sleepiness, even while walking. Eyes agglutinated, in the morning, and watery all the forenoon (fourth day). Eyes constantly agglutinated, which he can only with difficulty prevent, in the afternoon (eleventh day). Heaviness of the upper lids (first and second days). Tearing in the right lower lid, extending from the inner canthus toward the outer, at 5 P.M. (first day). Frequent itching of the lower lids, especially of the left. Lachrymal Apparatus. Violent inflammation of the inner canthus, and purulent swelling of the lachrymal sac, which opened (after four days). Lachrymation of the eyes. Ball. Sensitiveness of the eyeballs to touch, with s sensation as if they would be pulled out. Pupil. Pupils contracted (after three hours). Vision. Eyes dim (after forty-eight hours). Eyes dim; he was constantly obliged to wipe them. Distant objects seem to dim to one usually farsighted. He sees people very indistinctly at twenty paces, and is unable to recognize them (nineteenth day). He sees a picture very indistinctly, even at a distance of a few steps. Dimness of vision; vision vanishes immediately on reading (second day). It seems as though something were drawn before the axis of vision. Eyes weak; at fine work everything runs together, yet she can read well. Black floating spots before vision, while writing. Flickering before the eyes like rain. Sparks of light before the eyes (eleventh day). Lightings before the eyes, on falling asleep. Blinding lightings before the eyes, on waking (after twelve days).

Ear

External. Itching sticking in the lobule of the left ear, disappearing on pressure and rubbing, in the forenoon (third day). Stitches in the left concha. A sharp stitch behind the lobule of the right ear, always immediately disappearing on pressure, but returning, at 1 P.M. (second day). Painful tearing and sticking behind the right ear, at 1 P.M. (sixth day). An ulcerative pain, with throbbing behind the lobule of the left ear, as if within the bone; disappearing on pressure. Middle. Stopped sensation in the left ear, with diminished hearing. Pain in the left ear (after fourteen days). Pinching and cracking in the right ear, in the morning (sixth day). Earache, with drawing pain in the right articulation of the jaw, that extends into the inner mouth and right side of the tongue; the tongue is at the same painful to the touch of the teeth, though motion of the jaw causes no pain, in the evening, on walking in a cool wind (eighth day). Pressure and tearing in the ear. Sticking in the left ear, from within outward, at 3 P.M. (second day). Stitches in the ears at times, ceasing on opening the mouth, and returning on closing it (tenth day). A sharp stitch from within outward in the right ear (after three quarters of an hour). Piercing stitches in both ears, frequently (thirteenth day). A piercing stitch, as with an awl, in the right ear, at 4 P.M. (fourth day). Very fine intermitting tearing in the right ear, while standing and sitting, at 8 A.M. (nineteenth day). Tickling in the left external meatus, ceasing for a while after scratching, but returning, at 8 1/2 A.M. (fourth day). Hearing. Violent rushing in ear (after four days). Ringing in the ears on turning the head. Roaring about the head, and throbbing in the left ear. Violent roaring in the ears (after twenty-second day). Music in the ears, as from the humming of distant bagpipe, as when at times one hears fine tones, while lying on the back in bed; on rising, it ceases, but if he sits upright for a short time it returns, and disappears on lying down, but soon returns while lying; together with some earache (twenty-third day).

Nose

Objective. Nose red, with white pimples upon it. Ulceration high up within the nostrils. Frequent sneezing without coryza (after thirteen hours). Frequent persistent sneezing, in the morning (eleventh day). Forcible sneezing once, with rush of blood into the head, so that he saw white stars, before the eyes (fourth day). Much nasal mucus passes through the mouth (fifth day). Yellow offensive discharge from the nose (seventh and eighth days). Thick green mucus is blown from the nose (twenty-second day). Frequent intermitting coryza, with burning in the eyes (the whole twelfth day). Fluent coryza in the forenoon, disappearing in the afternoon (thirteenth day). Profuse, fluent coryza, with chilliness over the whole body, cold hands and cheeks, and hoarseness, without thirst. Very profuse coryza (tenth day). Extremely profuse, fluent coryza (after eleven days). Coryza with discharge of thin mucus, and frequent sneezing (second day). Stopped catarrh (after six days). Profuse stopped catarrh, especially after dinner, and frequent sneezing. Coryza, with stoppage of the nose; she thought she would suffocate at night for want of air, and was obliged to keep her mouth constantly open (tenth and eleventh days). Coryza, at one time fluent, at another stopped (fifth day). Bleeding of the nose (after twelve days). Blowing of the blood from the nose, in the morning. Subjective. The nose seems stopped for half an hour (first day). Stoppage of the nose, with hard offensive pieces, that come from one nostril (after fourteen days). Stoppage of the nose when talking. Dryness of the nose. Drawing pain in the outer side of the nose, relieved by rubbing (first day). Sensation as though a hard substance were sticking in the upper part of the left nostril, which does not disappear on blowing the nose, lasting two days (after four days). Constant tickling in the nose, not relieved by scratching (twelfth day). Smell. Smell more acute (secondary action?).

Face

Redness of the face, with warm forehead; without sensation of internal heat (after two hours). Alternating redness and paleness of the face, at 3 P.M. (seventh day). Face yellow. Earthy, wan complexion. Paleness of the face, blue rings around the eyes, swollen lids (after twenty-four days). She looks very pale, as after severe illness (seventh day). Face puffy. Slight puffiness of the face. Pressive pains in the bones of the face, aggravated by walking in the open air. Cheeks. Swelling of both cheeks, with glowing redness. Violent drawing in the left cheek-bone. Pressive pain in both cheek-bones. Acute needle-like stitch in the upper part of the left cheek, at 3 P.M. (first day). Tearing in the right zygoma, returning after rubbing (first day). Tearing in the left zygoma, extending up into the head, with sticking pain in the forehead, at 4 P.M. (second day). Violent tearing in the right zygoma, as if the bone would be torn out, with sensitiveness to touch, at 3 P.M. (first day). Lips. Twitching of the upper lip (after eighteen days). Twitching of the right side of the upper lip, frequently returning, in the afternoon (sixth day). Burning in a small spot on the upper lip and right corner of the mouth. China Rheumatic pain in the jaws. Frequent intermitting tearing in the left jaw, in the afternoon (fourth day). Bruised pain at the angle of the left lower jaw, disappearing on pressure, after dinner (third day). Beating in the right side of the lower jaw, extending from the middle toward the chin, after breakfast (first day). Twitching in the left side of the lower jaw, at 1 1/2 P.M. (first day).

Mouth

Teeth. Looseness of the teeth. Sensation as if cold air were coming out of the right upper carious teeth, after diner (first day). Toothache, with swelling of the gums, and violent fever; for three days (after second day). Burrowing toothache, immediately after a breakfast of bread and butter; the right cheek was swollen, and if he touched it, especially if he pressed upon the upper jaw, the pain was very much aggravated; smelling saturated solution of camphor afforded no marked relief (twenty- eight day). Burrowing and boring in a hollow tooth, ceasing only on falling asleep (twelfth day). A violent boring burrowing toothache in a hollow tooth woke him at 4 A.M. aggravated by touch of the tongue, ceasing after half an hour, when he fell asleep; it returned after breakfast, when he ate honey, also after eating sweets at dinner, and lasting very violent till 4 P.M., and then less till 7 P.M.; during this time he was in the open air, in cold, rainy weather; the pain ceased during supper; mesmerizing and smoking tobacco afforded no relief (twenty-sixth day). Drawing boring in the hollow teeth. Dull boring pressure pains in a hollow tooth, after taking cold (eight day). Toothache, as if the teeth would be pulled out, day and night, somewhat relieved by warmth; with bleeding of the gums on slightest touch; this is associated with coldness of the body, lasting all day, together with thirst, and lasting two weeks, only gradually diminishing (after sixteen days). Pressive pain in a tooth while half asleep, and on waking. Pressive toothache after lying down, for several evenings. Dull pressure and boring in a hollow tooth, in the afternoon (fourth day). Dull sticking in a hollow tooth after dinner, disappearing on smoking; on eating pears the toothache returns; also in the evening a burrowing toothache while walking, that after supper becomes pulsating, and only ceases on falling asleep (eighteenth day). Sudden stitch in a sound tooth (twenty-third day). Tearing toothache only at night, after 9 P.M., not during the day. Toothache (tearing?), lasting all night, followed by swelling of the lower lip and cessation of the pain (after fourteen hours). Tearing in the tips of the left lower teeth, afterwards under the chin, and afterwards again in a lower tooth, at 11 A.M. (first day). Jerking tearing in the left lower teeth, in the evening (fourth day). Sensitiveness of the teeth, as if scorbutic, and as from bog water (moorwasser), (after three days). Extreme sensitiveness of the lower teeth, for two days (after twenty-four hours). Jerkings in the teeth while eating. Frequent jerking in the right lower teeth, and great sensitiveness of tips of the teeth, in the afternoon (first day). Tearing and jerking in the left eye-tooth, in the evening, disappearing after lying down (eleventh day). Looseness of a left upper back tooth, without pain, in the evening; after two days it became tight again (after six days). A fine transient boring in the left lower anterior molars, at 10 A.M. (first day). Tearing in the left upper back teeth, lasting half an hour (third day). Some tearings in the right lower anterior molars and in their gum, in the forenoon (first day). Tearing and jerking in the last left lower molars, as if coming out of the teeth, day and night, especially after dinner (twenty fifth day). Transient tearing in the left lower anterior molars, on walking in the open air, at 10 A.M. (nineteenth day). Painful tearing in the last left upper molars, in the afternoon (fourth day). Jerking tearing in the right lower back teeth, in the forenoon (twenty-first day). Cold crawling ran through the right upper back teeth, momentarily, at noon (third day). Gums. Gums loose (after twenty-three days). The gum on the inner side of the anterior lower teeth seems, to the touch of the tongue, as rough as a file, at 3 P.M. (second day). Bleeding of the gum (after a few hours). The lower gum of the left side is painful, as if ulcerated, for two days (after twenty-four days). Tongue. Tongue pale. Pimples on the tip of the tongue (after a few hours). Small pimples on the left side of the tongue, with sticking pain. A papular eruption beneath the tongue, painful to touch. A tensive blister on the right margin of the tongue, of short duration, at 5.30 P.M. (first day). A pustule near the frenum linguae. Biting on the tip of the tongue, as from salt water. Burning about the whole tip of the tongue, as if it were full of cracks, at 2 P.M. (second day). Sore pain in the tip of the tongue when touched with the teeth. General Mouth. Musty odor from the mouth. A large blister on the inner side of the left cheek, that after pressure exudes water, and disappears after twenty-four hours (after nineteen days). Several superficial ulcerated spots in the mouth, with burning pain when touched. Dryness of the mouth and tongue, that calls for drink. Constant dryness of the mouth and lips, which she was constantly obliged to lick, as if caused by the heat of the breath (after seven days). Heat and dryness of the mouth, with great thirst, for some hours every morning after rising. Painful, sore sensation on the inner side of the cheek, when chewing. Saliva. Profuse accumulation of tasteless, watery saliva (nearly the whole three days). Gluey saliva, for several days. Saliva salty, with biting on the tip of the tongue (after five days). Profuse tasteless water collects in the mouth, for an hour, at 1 P.M. (twelfth day). Collection of sour tasting water in the mouth, in the forenoon (eleventh day). Insipid mucus in the mouth. Taste. Increased acuteness of taste (secondary action?). Flat, slimy taste on waking, with bitterness in the mouth, and white-coated tongue (fifth day). Very bad taste in the mouth, on waking in the morning, and a sensation as if burnt, that disappeared after eating soup (ninth day). He woke at 4 A.M. with a nauseous taste in the mouth, and violent erections (thirtieth day). Sweet taste in the mouth (eighth day). Bitter taste in the mouth, in the afternoon (after thirteen days). A bitter taste frequently comes low down in the throat, like a vapor. Sudden bitter taste in the mouth, and then uprisings of bitter water, so that he spat constantly (after half an hour). Bitter, flat taste in the mouth, in the morning (first day). Bitter, slimy taste in the mouth, in the morning, disappearing after rising and eating (ninth day). Rancid, bitter taste to all food, disappearing after eating. Sour taste in the mouth (after three days). Sour taste in the mouth, and thickly coated tongue. Sourish taste in the mouth, in the morning after waking (fifth day). Metallic taste in the mouth, in the afternoon (after fourteen days). Taste of blood in the mouth, on exhaling. Taste as of an old tobacco-pipe, at 4 P.M., after spitting a watery saliva; it lasted a long time, and afterwards seemed to cause a biting on the tongue (third day). Sudden purulent taste in the throat, as from an internal ulcer (tenth day). The dinner tastes bitter, though she eats with tolerable appetite (third day). Speech. Speech was irksome. Tongue not facile; speech difficult. Lisping with tongue, for several days.

About the author

TF Allen

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.

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