back Aranea Diadema

Natural order. - Arachnida.

Common name. - Cross Spider.

Preparation. - A tincture is prepared by crushing the live spider and digesting with alcohol.


Aranea is especially noted for its production of symptoms analagous to those resulting from malarial poisoning, and has been chiefly used in such cases, when the cold stage is the most pronounced, and when the symptoms return precisely at the same hour.  Aranea was selected by Dr. Von Grauvogl as typical of what he called a "hydrogenoid" constitution, where there is too much water in the system, the patient being always deficient in warmth, and very susceptible of moisture or dampness, such a condition being especially favorable to malarial poisoning.

Head. - Headache and confusion in the head; relieved, by smoking (reverse Ign.). Headache continues till evening; becomes milder, however, after a few hours, and ceases entirely in the open air.  Headache, with burning in the eyes and heat in the face, also flickering in the eyes on reading and writing, which aggravates the headache.

Mouth. - Sudden violent pains in all the teeth at night, immediately after lying down.

Abdomen.- Sensation of heaviness and fullness in the lower bowels; it seems as if a stone lay there, with unpleasant feeling of faintness in pit of stomach, together with griping in abdomen; sensation of heaviness in thighs, so that they can hardly be carried forward, with confusion of the head ; returns the next day at the same hour ; lasts half an hour (5 p.m.). Enlargement of the spleen.

Stool. - Thin, fluid stool, with pain in abdomen.

Female Organs. - Periods eight days too early, too strong, and too copious.

Chest. - Hemorrhage from the lungs.

Extremities. - Bone pains of a boring, digging character (Eupat., Merc.), particularly in the right tibia and os cal- cis, and in the right upper and forearm bones. Sensation as if hands and arms were enormously swollen.  Formication in ring and little fingers.

Generalities. - Great lassitude and weariness.  Restless sleep, with frequent waking. Worse in damp, wet places, or in wet weather (Rhus tox.).  Every damp day or place favors chilliness; feels cold to the very bones. Chilliness predominates; no fever.  Symptoms return periodically at precisely the same hour (Ced.).

Compare.- Arnica, Ars., Arg. met., Cedron, Eucal., Eupat , Secal. cor., Tarantula.


THERAPEUTICS. Has been used mostly in malarial fevers, and in malarial conditions in general, with the characteristic symptoms (see General Analysis).  Intermittents checked by quinine, enlarged spleen, etc. Toothache, worse in damp weather, and immediately after lying down in bed.  Lumbo-abdominal neuralgia, worse in damp weather.  Diarrhoea.  Asthma and bronchitis, always worse at night on lying down. Simple periostitis, or caries of os calcisboring, digging pains.

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