Homeopathic remedy Oxalicum Acidum drug symptoms and indications from Condensed Materia Medica by Constantine Hering, published in 1877….

      Sorrel-acid. Neidhard, 1844. Reil, 1851, H2C2O4, 2H2O3.


      Diminished power to concentrate ideas.

Very much exhilarated; quicker thought and action.

As soon as he thinks about the pains, they return.


      Vertigo: weakness and thirst; anxiety, headache and sweat; when looking out of the window; when rising from a seat; a swimming sensation on lying down.

Sensation of emptiness in the head, faint feeling, as if all the blood had left the brain.

Upper part of body, particularly the head, feels as if blood were coursing upward and outward.

Inner Head

      Dull headache of the vertex and forehead, heaviness.

Compression in head, sensation as from a screw behind each ear.

Pain between the vertex and occiput, at a spot pressing inwardly.

Headache, worse after wine; lying down; after sleep and on rising; better after stool.


      Type blurs when reading.

Vanishing of sight, with giddiness and sweat; with nosebleed.

Linear objects appear larger and more distant.

Pain in both orbits, worse in left.


      Sneezing, with chilliness; with watery coryza.

Red, shining swelling of right side of nose, beginning at the tip and spreading thence.


      Feeling of heat in the face.

Feeling of fulness in the face; face redder.

Faced covered with cold sweat.

Lower Face

      Drawing pain, with rigidity near the angle of lower jaw, first and longest in left, then in right side.


      Pain in decayed molar.

Gums bleed, are painful in spots.

Small ulcers on gums.

Tongue etc.

      Tongue swollen, sensitive, red, dry, burning.

Tongue: swollen, with a thick, white coating: coated white, with nausea, thirst and loss of taste.

Sour taste.


      Watery saliva, or mucus in the mouth.


      Dryness in throat (morning), after diarrhoea.

Deglutition: especially painful mornings; difficult, with sour eructations.

Scraping in the throat, thick mucus accumulates.

Desires Aversions

      Appetite: increased; wanting, with loss of taste.

Thirst, with vertigo, loss of appetite, nausea, colic.

Eating and Drinking

      Sugar aggravates pain in the stomach; and wine the headache.

Drinking coffee:.

Nausea and Vomiting

      Heart-burn, worse evening.

Eructations empty or sour; also, sudden hiccough, with eructations.

Nausea, thirst, colic, after the diarrhoea.


      Empty feeling, compelling one to eat.

Burning pain in stomach and throat.

Awakens at night with violent pressive pain, like a heavy weight, coming and going at intervals; flatulent discharge relieves.

Stomach sensitive; slightest touch causes excruciating pain.


      Stitches in liver relieved by a deep breath.

Continuous pain in left hypochondrium, as if bruised; stitches.


      Colic about the navel, as if bruised, with stitches and difficult emission of flatulence; worse on morning, better when at rest.

Colic from eating sugar.

Burning in small spots in the abdomen.

Stool etc.

      Constant involuntary stools.

Suddenly seized with distressing feeling in whole abdomen, twisting around navel, bearing down; dark, muddy, copious evacuation, A.M.

Stool of mucus and blood.

Diarrhoea as soon as one drinks coffee.

Lying down causes return of diarrhoea.

Before stool; headache.

During stool; as if caused by the pain, headache; micturition (fainting, vomiting).

After stool: nausea and cramp in the calves; dryness in throat; relief of pain in small of back.

Pressing and straining in the rectum; tenesmus.


      Pain in region of kidneys.

Frequent and copious urination, which is clear, straw-colored.

Burning in urethra, as from acrid drops.

When urinating, pain in glans penis.

Thinking of urinating causes necessity to urinate.

Male Sexual Organs

      Great increase of sexual desire.

On lying down, erections without any cause, and afterward testicles and cords pain.

Testicles feel contused.

During a walk, pain and heaviness in the testicles, shooting along the cords.


      Hoarseness and sensation of mucus in larynx during talking.

Hoarseness and aphonia without soreness.


      Difficulty of breathing, with constrictive pain in the larynx and wheezing; oppression more toward right side. Angina pectoris.

Jerking inspiration; and sudden, forced expiration, as though he made a sudden effort to relieve intense pain by expelling the air from the lungs. Angina pectoris.

Paroxysms of short, hurried breathing, with intervals of ease.


      From tickling in larynx while walking in open air; larynx feels swollen.

Dry cough on taking violent exercise.

Mucus hawked up, thick, yellow-white, with a central black lump of the size of a pea.

C. Hering
Hering got the degree of M. D. from the University of Wuezburg with highest honours. The theme of his thesis was "De'Medicina Futura" (The medicine of future). Hering left Germany for West Indies and finally arrived at Philadelphia in Jan, 1833. He established a homeopathic school at Allentown, Pennsylvania, commonly known as "Allentown Academy". Soon he became very popular as a physician. He is known as the 'Father of Homeopathy' in America.