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One of the most toxic agents known. Convulsions and paralysis express the action of this remedy. Spasmodic constriction in larynx, feeling of suffocation, pain and tightness in chest, palpitation; pulse weak, irregular. Sinking sensation at the epigastrium. Hysterical and epileptic convulsions. Cyanosis. Collapse, due to some pulmonary condition not a cardiac collapse. Catalepsy. Cholera. Stage of collapse (Ars; Verat). Coldness. Tetanus narcolepsy.
Unconscious. Wild delirium. Fear of imaginary troubles. Fears everything-horses, wagons, houses falling, etc.
Violent stupefying headache. Brain feels on fire. Pupils motionless or dilated. Supra-orbital neuralgia, with flushing on same side of face.
Jaws clenched in rigid spasm. Froths at mouth. Pale, bluish lips.
Tongue cold. Drink rumbles through throat and stomach. Gastralgia; worse when stomach is empty. Great sinking at pit of stomach. Pulsative pain in precordial region.
Noisy and agitated breathing. Dry, spasmodic, suffocative cough. Asthma, with contraction of throat. Whooping-cough. Paralysis of lungs (Aspidos). Marked cyanosis; venously congested lung.
Violent palpitation. Pulse, weak irregular. Cold extremities. Torturing pain in chest. Angina pectoris (Spigel; Oxal ac).
Yawning with shivering. Irresistible drowsiness. Vivid, incoherent dreams.
Antidotes: Ammon; Camph; Opium.
Compare: Cicuta; Oenanthe; Camph; Lauroc.
Sixth and higher potencies.
(Reference: Homeopathic Materia Medica by William Boericke)