This section is from the "A Handbook of Useful Drugs" book, by State Medical Examining and Licensing Boards.
The dried leaflets of Cassia acutifolia (Alexandria senna), or of Cassia angustifolia (Indian or Tinnevelly senna).
Action and Uses: Senna belongs to the anthraquinone-containing group of vegetable purgatives and is considered to be one of the more efficient drugs of this class. It is largely used for the treatment of chronic constipation.
Dosage: 4 gm. or 60 grains, administered either in the form of powder or as an infusion.
A hydro-alcoholic extract, 100 c.c. of which represent 100 gm. of senna, previously treated with strong alcohol to remove the resin.
Dosage: 2 c.c. or 30 minims.
Represents a mixture of fluidextract of senna (25 c.c.) with syrup (sufficient to make 100 c.c).
Dosage: 4 c.c. or 1 fluidram.
See also Pulvis GlycyrrhLzae Compositus, under Glycyrrhiza.