Latin, Hyoscyamus (Gen., Hyoscyami)

Eng., Hyoscyamus. Synonym, Henbane. The dried leaves and flowering or fruiting tops of Hyoscyamus niger.

Principal Constituents

Hyoscine, Hyoscyamine, etc.

Contains not less than 0.065 per cent. of the Alkaloids of Hyoscyamus.

Average Dose

4 grains (0.25 Gm.).

Official Preparations and Alkaloidal Salts.

Extractum Hyoscyami

Eng., Extract of Hyoscyamus. A soft solid about four times the strength of the drug. Average Dose.-1 grain (0.06 Gm.).

Fluidextractum Hyoscyami

Eng., Fluidextract of Hyoscyamus. Average Dose.-3 minims (0.2 mil).

Tinctura Hyoscyami

Eng., Tincture of Hyoscyamus. Represents 10 per cent. of the drug in diluted alcohol. Average Dose.-30 minims (2 mils).