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, Jalapa (Gen., Jalapae)
Eng., Jalap. The dried tuberous root of Exogonium Purga.
15 grains (1 Gm.).
Eng., Compound Powder of Jalap. Jalap, 35 Gm.; Potassium Bitartrate, 65 Gm. Average Dose.-30 grains (2 Gm.).
Eng., Resin of Jalap. Average Dose.-2 grains (0.125 Gm.). Resin of Jalap is contained in the Compound Cathartic Pills.
Purgative (hydragogue), diuretic.
Employed as a purgative, particularly in such conditions as nephritis, dropsy, apoplexy and uremia.
It is usually given in the form of the Compound Powder. The U. S. P. dose is often greatly exceeded. The following illustrates a method of prescribing:
As a hydragogue cathartic:
or | |||
Pulv. Jalapae Co............. | 3iv | 15 | ! |
Ft. cht. no. vj.
One every two hours till effect.
In the treatment of ascites:
or | |||
Pulv. Jalapae Comp............ | 30 |
Ft. cht. no. viij.
One in water an hour before breakfast.
 
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