This section is from the book "Practical Materia Medica And Prescription Writing", by Oscar W. Bethea. Also available from Amazon: Practical Materia Medica and Prescription Writing.
Latin, Acidum Hydrocyanicum Dilutum (Gen., Acidi Hydro-Cyanici Diluti)
Eng., Diluted Hydrocyanic Acid. Synonym, Diluted Prussic Acid. A colorless liquid composed of about 2 per cent. of absolute Hydrocyanic Acid and about 98 per cent. of water.
1 l/2 minims (0.1 mil).
Sedative and local anesthetic.
Hydrocyanic acid as such is seldom used in medicine. Internally it is sometimes used to allay cough or nausea. Externally it is used to allay itching. Seldom prescribed as such, except by dermatologists.
1 Hughes: Practice of Medicine.
 
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