Adven Acidum hydrocyanicum (Hydrocyanic Acid / Prussic Acid)

A supportive remedy for spasmodic conditions, respiratory collapse, nervous convulsions, and circulatory weakness

Acidum hydrocyanicum, also known as Prussic Acid or Hydrocyanic Acid, is a homoeopathic medicine prepared from Hydrogen Cyanide (HCN). It is known for its profound action on the nervous, respiratory, and circulatory systems.

It is especially indicated in conditions marked by sudden spasms, convulsions, respiratory distress, circulatory collapse, cyanosis, and nervous exhaustion.

It is also valued in severe states associated with violent palpitations, suffocative cough, unconsciousness, and paralytic weakness.

Common Name:

English: Hydrocyanic Acid / Prussic Acid

Key Indications

Unconsciousness, Convulsions & Delirium

• Useful in unconsciousness with wild delirium
• Fearful imaginings and mental excitement
• Sudden spasmodic convulsions leading to weakness or paralysis
• Helpful in hysterical, epileptic, and cataleptic states
• Supports relief in violent nervous spasms and collapse

Headache & Facial Spasms

• Intense, stupefying headaches with burning sensation in the brain
• Flushed face with dilated pupils
• Rigid clenching of the jaws
• Frothing at the mouth with pale or bluish lips
• Useful in spasmodic facial and nervous conditions

Respiratory Distress & Suffocative Cough

• Dry, spasmodic, suffocating cough
• Noisy, agitated, and difficult breathing
• Helpful in asthma-like attacks with throat constriction
• Marked cyanosis with venous congestion of the lungs
• Useful in severe respiratory weakness and pulmonary collapse
• Beneficial in advanced cases of whooping cough with breathing difficulty

Circulatory Weakness & Palpitations

• Weak and irregular pulse
• Violent palpitations with distressing chest pain
• Symptoms resembling angina pectoris
• Coldness of the extremities with circulatory collapse
• Supports relief in cardiac weakness and low vitality

Gastralgia & Stomach Complaints

• Great sinking sensation at the pit of the stomach
• Symptoms aggravated when the stomach is empty
• Pulsating pain in the precordial region
• Sensation as if liquids rumble through the throat and stomach
• Useful in nervous gastric irritation and weakness

Drowsiness & Nervous Exhaustion

• Irresistible drowsiness with mental dullness
• Vivid, incoherent dreams during sleep
• Excessive yawning with shivering
• Useful in nervous fatigue and collapse states