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Materia Medica 2026

Astacus Fluviatilis

Clinical Keynotes
HomeopathyUpchar.com

Clinical Profile

Main SourceUnified Clinical Archive
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Access Type Premium Case

Research Tools

General Characteristics

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Primarily indicated for urticaria and skin affections with intense itching and burning.

Constitutionally suited to individuals with a tendency to glandular swellings, particularly in the cervical region.

Often associated with liver disturbances and jaundice.

Marked sensitivity to touch, with a tendency to be easily aggravated.

The patient feels intensely hot and restless.

Symptoms are often worse at night.

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Astacus Fluviatilis primarily affects the skin and digestive system.

Indicated for urticaria-like eruptions and hepatic disturbances.

Suited to individuals susceptible to allergic reactions.

Constitution is often scrofulous or gouty.

General sensation: Burning, itching, and stinging.

Marked periodicity in symptom expression.

Often worse from suppressed eruptions.

Complaints often originate or are aggravated by shellfish consumption.

Great sensitiveness to air.

Marked irritability and restlessness.

Anxious and apprehensive, especially about health concerns.

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Anxious and apprehensive

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, with a fear of being touched or approached during acute episodes.

The patient can be despondent due to the intense itching and discomfort.

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Difficulty concentrating

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due to the overwhelming physical sensations.

Impatience and a desire for quick relief.

Easily angered by minor annoyances.

Aversion to being questioned.

Mental exhaustion from the constant itching.

Headache associated with liver disturbances

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, often accompanied by nausea.

Heaviness and fullness in the head.

Vertigo, especially upon rising.

Scalp feels tight and sensitive to touch.

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Crusta lactea (eczema of the scalp) with enlarged and indurated lymphatic glands, particularly in the neck

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Eyes may be sensitive to light.

Yellowish discoloration of the sclera.

Ears feel stopped up.

No specific indications for nose symptoms.

Throat feels dry and scratchy.

Shortness of breath, especially with exertion.

No specific indications for cough.

Palpitations, especially when lying down.

Feeling of constriction in the chest.

Loss of appetite.

Nausea and vomiting, especially when liver function is compromised.

Tenderness and enlargement of the liver.

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Constipation or diarrhea

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may be present, depending on the individual case.

Abdomen feels distended and painful.

Flatulence.

Stools may be clay-colored.

# Dark-colored urine

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, indicating liver involvement.

Scanty urine.

Burning sensation during urination.

No specific sexual symptoms.

Musculoskeletal

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Stiffness and aching in the joints.

Pain in the back, especially in the lumbar region.

Weakness in the limbs.

Swelling of the joints.

Heaviness and fatigue in the legs.

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Erysipelas

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, especially when associated with liver affections and urticaria.

Yellowish discoloration of the skin

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, indicating jaundice.

Skin is sensitive to touch, and scratching may lead to further irritation and inflammation.

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Swelling and induration of cervical glands

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Dry, scaly skin.

Sleeplessness due to intense itching.

Restless sleep.

Anxious dreams.

Worse (<)

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Touch.

Scratching.

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Motion.

Night.

Lying down.

Warmth.

Shellfish.

Suppressed eruptions.

Eating.

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Warmth

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(may aggravate itching).

Pressure.

Certain foods may trigger urticaria.

Night.

Motion.

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Better (>)

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Open air.

Cold applications.

Rest.

Cold applications

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(may temporarily relieve itching).

Rest.

Open air.

Complementary Remedies

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Apis Mellifica, Urtica Urens, Hepar Sulphuris Calcareum.

Antidotes

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Camphor.

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Camphor, Hepar Sulphuris Calcareum.

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Comparisons:

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Apis Mellifica: Urticaria with stinging pains, but less liver involvement.

Urtica Urens: Urticaria with burning and itching, but less glandular swelling.

Hepar Sulphuris Calcareum: Skin eruptions with offensive discharges and extreme sensitivity to touch.

Rhus Toxicodendron: Skin eruptions with intense itching, better by warm applications and movement (opposite Astacus).

Apis, Urtica urens, Hepar, Sulphur, Rhus tox. Useful in urticaria and conditions aggravated by shellfish consumption. Useful in hepatic complaints.

Often indicated after abuse of shellfish.

Discontented

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and easily angered by trivial matters.

Mental confusion with difficulty concentrating.

Sadness and a tendency to weep.

Fear of disease.

Easily startled.

Impatient and hurried.

Despondency, with a feeling of hopelessness.

Headache, particularly in the forehead, with a feeling of fullness and pressure.

Vertigo, aggravated by motion, especially rising or turning.

Scalp feels tight and sensitive to touch.

Headache as if the head would burst.

Throbbing headache.

and itching in the eyes

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Photophobia, sensitive to light.

Redness of the conjunctiva.

Lachrymation, with acrid tears.

Dim vision.

Itching within the ears.

Tinnitus, buzzing or ringing sounds.

Sensation of fullness in the ears.

Diminished hearing.

Nasal congestion, with a feeling of stuffiness.

Sneezing, with watery discharge.

Itching at the tip of the nose.

Epistaxis (nosebleeds).

Throat

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Sore throat with a burning sensation.

Difficulty swallowing, especially solids.

Sensation of a lump in the throat.

Throat feels dry and scratchy.

Hoarseness.

Dyspnea

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, especially when lying down.

Wheezing.

Cough, dry and hacking, particularly at night.

Oppression of the chest.

Shortness of breath on exertion.

Palpitations

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, with anxiety.

Angina-like pain, with a feeling of constriction.

Oppression of the chest, a feeling of weight on the chest.

Nausea

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and vomiting, often bilious.

Gastric acidity, heartburn.

Craving for specific foods, or aversion to foods.

Eructations, sour or bitter.

Hiccoughs.

Abdomen

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Colicky abdominal pains, often relieved by passing flatus.

Distention of the abdomen with gas.

Liver region sensitive to touch.

Jaundice.

Pain in the region of the gallbladder.

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Rectum:

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Constipation, with hard, difficult stools.

Diarrhea, with burning stools.

Pruritus ani, intense itching around the anus.

Hemorrhoids, with burning and stinging pain.

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Urinary:

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Frequent urination.

Burning sensation during urination.

Urine scanty and dark.

Sediment in the urine.

Involuntary urination.

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Sexual Organs:

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In females, itching and burning in the vulva.

Menses too early and profuse.

Leucorrhea, acrid and burning.

In males, itching and burning in the scrotum.

Sexual desire increased or decreased.

Prostatic affections.

Pain in the back, especially in the lumbar region.

Stiffness of the neck.

Pain between the shoulders.

Extremities

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Rheumatic pains in the joints, worse with motion.

Swelling of the joints, red and inflamed.

Itching and burning in the palms and soles.

Urticaria-like eruptions on the skin of the extremities.

Eczema on the hands and feet.

Numbness and tingling in the fingers and toes.

Urticaria

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, with intense itching and burning.

#

Eruptions

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, papular or vesicular.

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Eczema

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, with thick crusts and oozing.

Jaundice.

Skin sensitive to touch.

Burning and stinging sensations.

Skin dry and scaly.

Sleep

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Restless sleep, with frequent waking.

Sleeplessness.

Dreams vivid and anxious.

Nightmares.

Position: lies on the back.

Complementary

Top ↑

Apis Mellifica, Urtica Urens, Hepar Sulphuris Calcareum.

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