• A powerful skin irritant, acting primarily on the cutaneous system.

• Suited to individuals with chronic skin affections.

• A predisposition to fungal or parasitic infections.

• Marked periodicity of symptoms.

• Burning, itching sensations are prominent.

• A general aggravation from warmth.

• A general amelioration from open air.

• Useful for those with a tendency to develop thick, scaly crusts on the skin.

• Symptoms are often accompanied by restlessness and anxiety.

• It affects mucous membranes.

• The patient is sensitive to touch.

• Emaciation can occur, especially with chronic skin conditions.

• The patient has anxiety and apprehension.

• The patient has phobias of various kinds.

• The patient has irritability and restlessness.

• The patient experiences depression, sadness, and a tendency to dwell on unpleasant thoughts.

• The patient has difficulty concentrating and mental confusion.

• The patient has aversion to company and a desire for solitude.

• The patient experiences great despondency, especially when skin is affected.

• The patient fears being alone.

• The patient is easily angered by trifles.

• The patient experiences mental exhaustion due to persistent itching.

• The patient experiences dullness of the senses.

• The patient experiences forgetfulness.

• The patient experiences hypochondria.

• Scalp eruptions with thick, yellow crusts are present.

• The patient experiences itching of the scalp.

• Headache is worse from warmth and scratching.

• The scalp feels tight and constricted.

• Inflammation of the conjunctiva is present.

• The patient experiences photophobia (sensitivity to light).

• The patient experiences optical hyperesthesia.

• The patient experiences burning and itching of the eyelids.

• The patient experiences blurred vision.

• The patient experiences a sensation of sand in the eyes.

• Violent itching is present.

• Dry, scaly eruption is present around the ears.

• Otorrhea (discharge from the ear) is present, often offensive.

• The patient experiences tinnitus (ringing in the ears).

• The patient experiences impaired hearing.

• The patient experiences cracking noises in the ears.

• Dryness of the nasal passages is present.

• Nasal catarrh with thick, yellow discharge is present.

• Soreness of the nostrils is present.

• The patient experiences loss of smell.

• The patient experiences frequent sneezing.

• Dryness of the throat is present.

• Rawness and scraping sensation in the throat is present.

• The patient experiences difficulty swallowing.

• The patient experiences hoarseness.

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• Dry, hacking cough is present.

• The patient experiences difficulty breathing, especially in warm rooms.

• Oppression of the chest is present.

• The patient experiences palpitations, especially when anxious.

• The patient experiences a sensation of tightness around the heart.

• The patient experiences a rapid pulse.

• The patient experiences shortness of breath.

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• Loss of appetite is present.

• Nausea is present.

• Abdominal pain is present.

• Diarrhea or constipation, alternating, is present.

• Burning in the stomach is present.

• The patient has thirst for cold drinks.

• The patient has aversion to meat.

• The patient has desire for sweets.

• Flatulence is present.

• Pain in the liver region is present.

• Vomiting of bile is present.

• Hemorrhoids, with itching and burning, are present.

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• Increased frequency of urination is present.

• Burning sensation during urination is present.

• Scanty urine is present.

• Dark-colored urine is present.

• Itching of the genitals is present.

• Increased sexual desire in males is present, followed by impotence.

• Leucorrhea (vaginal discharge) in females is present, often acrid.

• Menses are too early, too profuse.

• Painful menstruation is present.

• Back pain, especially in the lumbar region, is present.

• Stiffness of the neck is present.

• Itching, burning, and eruptions are present on the hands and feet.

• Cracks and fissures in the skin, especially on the palms and soles, are present.

• Pain in the joints is present.

• Weakness in the limbs is present.

• Trembling of the hands is present.

• Sciatica is present.

• Cramps in the legs are present.

• It acts as a powerful irritant of the skin.

• Used successfully in skin diseases, especially ringworm, psoriasis, herpes tonsurans, and acne rosacea.

• Vesicular or squamous lesions are present, associated with foul-smelling discharge and crust formation.

• Lesions tend to become confluent, giving the appearance of a single crust covering the entire area.

• Violent itching of thighs, legs, and ears is present.

• Dry, scaly eruption, especially around eyes and ears, is present.

• Scabs with pus underneath are present.

• Eruptions are often circular or ring-shaped.

• Excoriation and bleeding are present after scratching.

• Pustules and boils are present.

• Intolerable itching is present, worse at night.

• The skin feels rough and leathery.

• Eruptions are worse in warm weather.

• Sleeplessness is present due to itching.

• Restless sleep is present.

• The patient experiences dreams of unpleasant things.

• The patient wakes up unrefreshed.

• Nightmares are present.

• Night; warmth; scratching; washing; certain foods (especially rich foods); warm weather; becoming cold after being heated.

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• Open air; cold applications; uncovering; rest.

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• Complementary remedies: Sulphur, Arsenicum album, Graphites.

• Antidotes: Vegetable oils, Calendula officinalis.

• Comparisons: Sulphur (skin affections, itching), Arsenicum album (burning, restlessness), Graphites (thick crusts, oozing), Sepia (skin eruptions, itching), Psorinum (offensive discharges, itching).