# Mercurius Corrosivus

## Remedy Classification
- **Type:** Homeopathic Remedy
- **Miasm:** Syphilitic Miasm
- **Temperament:** Hot
- **Aggravation Time:** Morning

## Keynote Indications
Source: Derived from mercuric chloride ( HgCl₂), a highly toxic chemical compound, prepared for. homeopathic use through trituration and serial dilution to eliminate material toxicity and enhance. therapeutic action, in accordance with homeopathic pharmacopeia standards. Traditional Context: Historically employed in homeopathy for  gastrointestinal, genitourinary,. mucosal,  and  systemic  disorders,  particularly  those  involving  intense  inflammation,  burning. pains, and ulcerative conditions. It is noted for symptoms such as tenesmus, burning urination, and. throat soreness, often aggravated by warmth, swallowing, or night, and ameliorated by rest, cool air,. or lying down. Modern Context : Indicated for  gastrointestinal conditions  (e.g., ulcerative colitis, dysentery),. genitourinary  conditions (e.g.,  cystitis,  urethritis),  mucosal  conditions (e.g.,  stomatitis,. pharyngitis),  psychological conditions  (e.g., anxiety with restlessness), and  systemic conditions. (e.g., sepsis-like states, heavy metal toxicity). It suits patients with acute or chronic symptoms. characterized  by  burning  pains,  tenesmus,  mucosal  ulceration,  restlessness,  or  profuse. sweating, typically exacerbated by warmth, swallowing, or night, and often seen in individuals with. sensitive,  inflamed  constitutions.  The  remedy  is  particularly  relevant  for  those  with  acute. inflammatory or ulcerative conditions, often presenting with gastrointestinal symptoms like bloody. diarrhea or genitourinary symptoms like burning urination, commonly observed in patients with. ulcerative  colitis,  cystitis,  or  severe  pharyngitis  triggered  by  infections,  irritants,  or  systemic. inflammation.

## Modalities (Aggravations / Ameliorations)
Worse from: Warmth (weather, rooms, drinks), night, swallowing, urination, after stool,. talking, emotional stress, pressure, exertion, infection, morning.

## Symptoms by System

### Mind
- Restlessness at night.
- Anxious and restless, rocks back and forth.
- Anxiety during fever.
- Anxiety 
during sleep afte r menses.
- Fear arising from heart.
- Fear of misfortune.
- Anguish with pain in abdomen.
- Ill -
humor.
- Irritability in daytime.
- Absent-mindedness.
- Confusion of mind.
- Difficult thinking.
- Disturbed speech.
- Wandering thoughts while talking.
- Stupid.
- Imbecility.
- Mind sluggish with torpid digestion.
- Coma vigil.
- Stupor.
- Stares at persons who talk to him and does not understand them.
- Delirium, springs up 
suddenly from bed and escapes.
- Shouting, brain cry.
- Restlessness at night.
- Anxious and restless, rocks back and forth.
- Anxiety during fever.
- Anxiety 
during sleep afte r menses.
- Fear arising from heart.
- Fear of misfortune.
- Anguish with pain in abdomen.
- Ill -
humor.
- Irritability in daytime.
- Absent-mindedness.
- Confusion of mind.
- Difficult thinking.
- Disturbed speech.
- Wandering thoughts while talking.
- Stupid.
- Imbecility.
- Mind sluggish with torpid digestion.
- Coma vigil.
- Stupor.
- Stares at persons who talk to him and does not understand them.
- Delirium, springs up 
suddenly from bed and escapes.
- Shouting, brain cry.

### Vertigo
- Vertigo with deafness when stooping.
- Vertigo with coldness, cold sweat.
- COMMENTS - As with other ulcerating remedies, Merc-c.
- is a powerful antiseptic and disinfectant.
- Being much 
less irritating than carbolic acid, it took the place of the latter as the leading antiseptic.
- Before the proper degree 
of dilution had been ascertained many patients were poisoned by its external use.
- In some of the poisoning cases, the bladder was found after death firmly contracted into a small hard lump.
- Keynote intense tenesmus of bladder with intens e burning in urethra and discharge of mucus and blood with 
the urine or after it.
- Intussusception.
- Tenesmus is worse or not relieved after the stdol.
- Tenesmus with dysentery.
- Diarrhea with a “never -get-done 
feeling.” Membranous threads in stool, blood, weakness, faintness, shuddering.
- Urine is albumin ous, scanty, 
hot, bloody, may be retained or suppressed.
- Gonorrhea.
- Greenish-yellow or bloody and watery discharge with violent burning, urging and painful erections, 
dark purplish swelling.
- Glans has a dark red or gangrenous appearance.
- Phimosis or paraphimosis.
- Rapidly spreading chancres.
- Serpiginous ulcers, ulcers with ragged edges that will eat away half the penis in 
a few days.
- Skin disorders including syphilitic roseola, smallpox and condylomata.
- Tibial pains, particularly when present in cases of enteric fever or after enteric fever, with symptoms of intestinal 
ulceration.
- Rheumatism and rheumatic fever (Merc.).
- Raging thirst for cold things.
- Desire for cold food and 
intolerance of hot things.
- Sore th roat characterized by the rapid spread of the infection and by the intensity of the burning pains.
- Constriction of the gullet, any attempt to swallow solids or liquids causes violent spasms and immedi ate 
ejection.
- Cutting pain, as from a knife in throat.
- Thick and glue -like nasal catarrh, acrid excoriating.
- Tearing pains in bones and around eyes.
- Scrofulous, 
 
 
syphilitic ophthalmias.
- Burning, agonizing pains with excessive photophobia, causing excoriation of cheeks.
- Clarke learned from Dr.
- McKechnie that long uvulas sometimes give rise to irritating coughs.
- If a low trituration 
of Merc-c.
- is applied to the uvula on a brush, it will in many cases immediately, and often permanently, relieve 
the trouble.
- A patient of Clarke's who was treated under allopathic t reatment with a solution of Merc -c.
- injected into his 
urethra for gonorrhea, not only suffered intensely in the urethra at the time, but for years afterwards had a 
painful spasm of the rectum every time he had sex.
- Unna reported two cases of elderly women poisoned by sublimate lotion, lint and gauze after ablation of the 
breast.
- The dressings were removed on the second day in each case.
- The first symptoms were intense irritation 
of the skin and diffused redness of the part.
- The wounds failed to heal by fir st intention.
- Widespread dermatitis followed and in the course of a few days a diffuse erythema spread over the whole 
body, creeping onwards like “water on blotting paper.” Some fever, general malaise, nausea, restlessness.
- In one case, the eruption last ed three weeks and changed its type, “scattered urticarial and erythematous 
itching spots on all parts of the body suggested that there was at that period a poisoning of the more central 
nervous system.” 
R.
- C.
- Markham recorded a cure with Merc - c.
- after the failure of Merc, in a case of dysen tery.
- The symptoms 
were stool with bloody mucus, tenesmus after the stool, cutting colic below umbilicus, nausea, and perspiration 
before and after stool, most pronounced on lower part of body and thigh.
- The symptoms of colic and perspiration were not found under Merc., but were un der Merc-c.
- The patient felt 
better within ten minutes of receiving a dose of Merc-c.
- 1,000c.

### Head
- Heaviness of head.
- Frontal pain, congestion of head with burning in cheeks.
- Drawing pain in periosteum 
of skull.
- Pain in temples, worse looking sideways.
- Profuse sweat on forehead.
- Falling out of hair.
- Heaviness of head.
- Frontal pain, congestion of head with burning in cheeks.
- Drawing pain in periosteum 
of skull.
- Pain in temples, worse looking sideways.
- Profuse sweat on forehead.
- Falling out of hair.

### Eyes
- Burning, soreness of eyes.
- Pain severe at night, burning, shooting, tearing.
- Pain behind eyeballs, as 
if forced out.
- Iritis normal or syphilitic.
- Iris muddy in color, thick and neither contracts nor dilates.
- Retinitis, 
albuminuria.
- Deep ulcers on 
cornea.
- Acrid lachrymation.
- Ophthalmia neonatorum.
- Excessive photophobia.
- Objects appear smaller or 
double vision.
- Eyelids edematous red, excoriated.

### Ears
- Violent pulsation in ears.
- Stitches in ears with inflammation.
- Fetid pus.

### Face
- Red, puffy.
- Edematous swelling of the face.
- Yellow face.
- Face pale and anxious.
- Pale about mouth.
- Cracks in angles of the mouth.
- Lips,  black, dark red, swollen, tender.
- Upper lip swollen and turned up.
- Jaws 
stiff.
- Necrosis of lower jaw.
- Darting pains along upper jaw, gums and roots of teeth.
- Swelling and tenderness 
of submaxillary glands.
- Facial neuralgia within the bones.

### Mouth
- Salivation with salty taste.
- Metal lic taste.
- Taste, astringent, salty, bitter.
- Discharge of albuminous 
mucus from mouth.
- Burning, scalding sensation in mouth.
- Aphthae, ulcers.
- Pyorrhea.
- Gums, purple, swollen, 
spongy with toothache.
- Teeth loose, nightly toothache.
- Necrosis of lower jaw.
- Nose - Swollen, red nose.
- Rawness, smart ing, burning and soreness of nostrils.
- Post nasal swelling, mucus 
membrane dry, red and covered with bloody mucus.
- Gluey nasal discharge.
- Stopped -up feeling with running 
of nose.
- Excessive coryza.
- Fluent, acrid coryza.
- Discharge excoriates upper lip.
- Ozaena with perforation of 
septum nasi (Kali-bi.).
- Frequent epistaxis.

### Throat
- Burning, sore, r ed, painful swell ing, worse heat.
- Dark red color.
- Uvula, red, swollen, elongated.
- Tonsils swollen, covered with ulcers.
- Glands about throat swollen.
- Swallowing difficult and pain ful.
- Spasmodic constriction of glottis, on attempting to swallow a drop of liquid.
- Pricking in throat as from needles.
- Postnasal discharge with sharp pains to ears, worse pressure.
- Pain in larynx as cut with knife.
- Hoarseness 
quickly alternating with normal voice.
- Aphonia.
- Tongue - Tongue coated and moist, with red edges.
- Tongue, patchy, swollen and inflamed.
- Papillae elevated, 
strawberrylike.
- Tongue very red, with blackish coat.
- Tongue covered with a grayish white crust.
- Tongue 
protruding from swollen lips.
- Tongue could not be protruded.

### Chest
- Constriction of the chest.
- Stitches th rough side of chest.
- Frequent stitches shoot through thorax.
- All 
glands about thorax swollen.
- Tremulous undulating motion of heart, precordial anxiety.
- Pains in precordial reg ion.
- Pulse rapid and 
intermittent, small, irregular.
- Palpitations during sleep.
- Kidneys - Nephritis.
- Bleeding kidneys.
- Gonorrhea.
- Paraphimosis.
- Tenesmus of bladder, rectum.
- Frequent 
urine, pale, copious, dribbling, worse sitting.
- Urine hot, burning, scanty or suppressed.
- Albuminous urine.
- Urine bloody, greenish discharge.
- Urine brown, with brick dust sediment.
- Urine contains filaments, flecks or 
flesh-like pieces of mucus.
- Urine con tains fibrin or fat globules.
- Urine passed drop by drop.
- Urethra bleeds 
after urinating.
- Sweats after urination.
- Very difficult breathing.
- Slow, interrupted breathing.
- Sighing with palpitations.
- Burning and stinging in 
trachea.
- Breathes as through a metallic tube.
- Breathes through pectoral muscles.
- Cutting pain in larynx.
- Cough 
with bloody expectoration.
- Greenish mucus, worse at night.
- Asthmatic coughs, worse talking.

### Stomach & Abdomen
- Burning gnawing, darting pains in stomach.
- Cramps in stomach and vomiting after eating rye bread.
- Cramp in epi gastrium, worse least touch.
- Epigastrium very sensitive.
- Distention and soreness of the pit of 
stomach.
- Gastritis.
- Regurgitation, astringent.
- Spasmodic constriction of esophagus and stomach on attempting 
to swallow a drop of water.
- Spasmodic and very painful retching.
- Incessant, green, bilious vomiting.
- Vomiting 
of tenacious mucus with blood.
- Stools - Stools, hot, bloody, slimy offensive, with cutting pains and shreds of mucus membranes.
- Stools 
yellow, green, bilious.
- Stools pasty, dark green, blackish, offen - .
- sive.
- Oozing of corrosive ichor from anus, 
excoriating external parts.
- Passes pure 
blood or bloody water.
- Stools followed by slime and blood.
- Stools worse after midnight, worse autumn.
- Teeth - Toothache at night.
- Teeth loose.
- Gums red and detached from teeth.
- Gums purple, swollen with 
toothache and spongy.
- Gums bleed easily.
- Pyorrhea, 
Temperature - Chilly from slightest exposure, exertion.
- Chills when rising.
- Chilly after stools.
- Profuse 
perspiration, surfaces cold.
- Heat, fever when stooping and coldness when rising.
- Heat of skin causes great 
restlessness at night.
- Fever with anxiety.
- Fever often temporarily better drinking cold water.
- External heat with 
yellow skin.
- Bloated, very painful to least touch.
- Bruised sensation, cecal region and transverse colon painful.
- Stitches in hepat ic region.
- Pain in liver and right shoulder with frequent nausea and obstinate chronic 
constipation.
- Cutting colic, below navel.
- Painful flatulence.
- Appendicitis.
- Attacks of violent hunger or no ap petite.
- Great desire for cold food.
- Worse fat food.
- Unquenchable 
thirst, for cold drinks.
- Fluids return through nose.

### Urinary & Genital
- Penis and testes enormously swollen.
- Chronic balanitis.
- Paraphimosis.
- Chordee, wor se sleep.
- Painful 
stinging in left testicle.
- Hard, phagedenic chan cres.
- Greasy, fatty, offensive smelling discharge.
- Gonorrhea, 
discharge thick, greenish.
- Urethritis.
- Urethra orifice red, swollen, glans sore and hot.
- Violent erections during 
sleep.
- Menses too early and too profuse.
- Burning heat and pain in genitals.
- Vaginitis.
- Urethritis.
- Mucus 
discharge as thin as water.
- Leucorrhea, pale yellow with sweetish nauseous smell.
- Fibroid tumors with profuse, 
muco-purulent, excoriating leucorrhea.
- Aching pain succeeding pressing or touching os uteri during sex.

### Extremities
- Paralysis of limbs, trembling.
- Pains wandering from joint to joint, compelling him to stay in bed.
- Rheumatic pain after suppression of gonorrhea.
- Coldness in limbs, look purple.
- Feet icy cold.
- Cramps in calves 
in dysentery.
- Exostoses, on shin, sternum, ribs.
- As if legs had gone to sleep.
- Deltoid feels relaxed.

### Neck & Back
- Pott's disease, lies on back with knees drawn up.
- Cervical glands hard and swollen.
- Dorsal decubitus.
- Bladder - Severe, painful cystitis.
- Tenes mus of bladder.
- Intense burning in urethra.
- Stabbing pain up 
urethra into bladder.
- Urethritis.
- Burning and painful urination.
- Dribbling of urine, worse sitting.
- Albuminuria, 
during pregnancy, from abuse of alcohol.
- Urethra bleeds after urinating.
- Breasts - Glandular swellings about the nipples.
- Nipples crack and bleed, pain worse when nursing.

### Skin
- Fever or chills, with a sensation of heat or coldness, resembling sepsis-like states,.
- worse with warmth, exertion, or night, often with profuse, offensive sweating.
- Weakness or prostration, with a tendency to trembling or collapse, resembling heavy.
- metal toxicity, aggravated by warmth or infection.
- General  debility  or  weight  loss,  with  a  sensation  of  systemic  inflammation,.
- resembling cachexia, worse with warmth or night.
- Tendency to systemic inflammation, with aggravation in warm or infectious states.

### Sleep
- Frequent yawning and stretching.
- Sleepless at night.
- Starting from sleep.
- Sleeplessness from vertigo 
or anxiety.
- Wakeful after 3 a.m.
- Violent hiccough during sleep.
- Disturbed by toothache with anxious sensation.
- Frightful dreams.