Prussic Acid
- 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.
Mind
- Unconscious.
- Wild delirium.
- Fear of imaginary troubles.
- Fears everything-horses, wagons, houses falling, etc.
Head
- Violent stupefying headache.
- Brain feels on fire.
- Pupils motionless or dilated.
- Supra-orbital neuralgia, with flushing on same side of face.
Face
- Jaws clenched in rigid spasm.
- Froths at mouth.
- Pale, bluish lips.
Stomach
- 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.
Respiratory
- Noisy and agitated breathing.
- Dry, spasmodic, suffocative cough.
- Asthma, with contraction of throat.
- Whooping-cough.
- Paralysis of lungs (Aspidos).
- Marked cyanosis; venously congested lung.
Heart
- Violent palpitation.
- Pulse, weak irregular.
- Cold extremities.
- Torturing pain in chest.
- Angina pectoris (Spigel; Oxal ac).
Sleep
- Yawning with shivering.
- Irresistible drowsiness.
- Vivid, incoherent dreams.
Relationship
- Antidotes: Ammon; Camph; Opium.
- Compare: Cicuta; Oenanthe; Camph; Lauroc.
Dose
- Sixth and higher potencies.
