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Materia Medica 2026

Coca

Clinical Keynotes
HomeopathyUpchar.com

Clinical Profile

Main SourceUnified Clinical Archive
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General Characteristics

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Coca is derived from Erythroxylon coca.

It primarily affects the nervous system, resulting in increased energy, followed by profound exhaustion.

Useful for individuals suffering from physical and mental strain.

Symptoms often mimic those experienced at high altitudes: dyspnea, palpitation, anxiety.

Weakness and trembling are common.

Indicated in malnutrition and wasting diseases.

Caries of teeth may be present.

Marked general weakness and prostration.

Nervous exhaustion with irritability occurs.

The patient is sensitive to atmospheric changes.

Sense of right and wrong is abolished; moral indifference.

Exhilaration and heightened mental acuity are followed by depression.

Anxiety and restlessness are present, especially at night.

Fear of heights; vertigo may occur.

Irritability and easily angered occurs.

Difficulty concentrating; mental confusion may be present.

The patient is apathetic; indifferent to surroundings.

Insomnia with racing thoughts occurs.

Great loquacity; the patient talks rapidly.

Unconsciousness of fatigue is present.

The patient is discontented and morose.

Derived from Erythroxylon coca, tincture of leaves or solution/trituration of cocaine alkaloid.

Affects the nervous system, producing heightened sensitivity, exhilaration, and then exhaustion.

A remedy for individuals experiencing the consequences of overexertion, especially in high altitudes or demanding physical situations.

Useful for conditions involving deficient oxygenation.

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Headache, especially frontal, with a feeling of pressure.

Vertigo, especially when looking down from heights.

Dullness and heaviness of the head.

Congestive headaches.

Headache with a feeling of fullness and pressure.

Vertigo, especially when looking down from heights.

Throbbing headache aggravated by motion.

Weakness of vision; dim sight.

Dilated pupils.

Flickering before the eyes.

Photophobia.

Pupils dilated.

Dimness of vision.

Visual hallucinations.

Noises in the ears; tinnitus.

Humming or buzzing in the ears.

Impaired hearing.

Tinnitus, ringing or buzzing in the ears.

Increased sensitivity to noise.

Epistaxis (nosebleeds).

Dryness of the nasal passages.

Obstruction of the nose.

Sense of smell diminished.

Dryness of the nasal passages.

Loss of the sense of smell.

Throat

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Loss of voice; hoarseness.

Dryness and irritation of the throat.

Constriction and difficulty swallowing.

Dryness and burning sensation in the throat.

Hoarseness.

# Respiratory

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Dyspnea, especially on exertion or at high altitudes.

Feeling of suffocation; air hunger.

Oppression of the chest.

Emphysema.

Asthma-like symptoms.

Short, rapid breathing.

Cough, dry and hacking.

Great difficulty in breathing, even when quiet.

Cardiac and Chest

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Palpitation, especially on exertion.

Rapid and irregular heartbeat.

Angina-like pains in the chest.

Weakness of the heart.

Feeling of constriction around the heart.

Pulse is rapid, weak, and irregular.

Loss of appetite; anorexia.

Nausea and vomiting.

Distension of the abdomen.

Constipation.

Great thirst.

Belching of gas.

Feeling of emptiness in the stomach.

Heaviness after eating.

Nocturnal enuresis (bedwetting).

Frequent urination.

Scanty urine.

Urine dark and concentrated.

Increased sexual desire, followed by impotence.

Premature ejaculation.

Weakness after coition.

Emissions.

Musculoskeletal

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Weakness and trembling of the limbs.

Heaviness and fatigue in the legs.

Coldness of the extremities.

Numbness and tingling in the fingers and toes.

Neuralgic pains in the limbs.

Backache, especially in the lumbar region.

Cramps in the calves.

Muscular weakness after exertion.

Skin dry and pale.

Itching and tingling of the skin.

Cold sweats.

Insomnia with restlessness.

Sleeplessness from mental activity.

Anxious dreams.

Unrefreshing sleep.

Worse (<)

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Exertion (physical or mental).

High altitudes.

Cold air.

Loss of sleep.

Tobacco.

Alcohol.

Evening.

Open air (followed by chilliness).

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Exertion, especially physical exertion.

High altitudes.

Looking down from heights.

Loss of sleep.

Mental excitement.

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Better (>)

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Rest.

Warmth.

Open air (temporarily).

Lying down.

After eating.

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Rest.

Open air.

Lying down.

Antidote:

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Gels., Acon.

Complementary

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Ars., China, Nux vomica.

Arsenicum album (in cases of exhaustion and anxiety).

Nux vomica (for irritability and overstimulation).

Compare

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Ars. (anxiety, restlessness, exhaustion).

China (exhaustion, weakness after loss of fluids).

Nux vomica (irritability, overstimulation).

Coffea (sleeplessness, excitement).

Quebracho (dyspnea, emphysema).

Strophanthus (heart weakness).

Veratrum album (collapse, cold sweat).

Camphor (sudden collapse).

Exhilaration

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followed by profound depression.

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Mental excitement

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and increased mental activity.

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Overestimation of abilities

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and a sense of great strength.

Anxiety and restlessness.

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Fear of high places

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(heights).

Irritability and impatience.

Difficulty concentrating; mental confusion.

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Loquacity

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and a desire to talk incessantly.

Feelings of unreality; detachment from the body.

Shortness of breath

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on exertion.

Difficult breathing at high altitudes (mountain sickness).

Asthma-like symptoms.

Rapid, shallow breathing.

Cardiac & Chest

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Palpitations and rapid heartbeat.

Angina pectoris-like pain.

Oppression and constriction in the chest.

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Gastrointestinal:

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Loss of appetite.

Nausea and vomiting.

Abdominal pain and cramping.

Constipation.

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Rectum & Anus:

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Constriction of the anus.

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Urinary:

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Increased frequency of urination.

Scanty, dark urine.

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Sexual:

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Increased sexual desire, followed by impotence.

Sexual excitement.

Extremities

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Weakness and trembling of the limbs.

Numbness and tingling in the hands and feet.

Heaviness and fatigue in the legs.

Antidotes

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Coffee.

Lemon juice.

Aconite (for acute anxiety).

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Comparisons:

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Coffea cruda (for overstimulation and sleeplessness).

Arsenicum album (for exhaustion and anxiety).

Nux vomica (for irritability and overstimulation).

Argentum nitricum (for fear of heights).

Oxygen (for hypoxia).

Important Note & Medical Disclaimer

Candidates are advised to confirm clinical findings from the official materia medica website. This AI summary is for professional research only.

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