This section is from the book "A Treatise On Therapeutics, And Pharmacology Or Materia Medica Vol1", by George B. Wood. Also available from Amazon: Part 1 and Part 2.
The subdivisions of these are all ultimate classes of medicines, and are as follows :
1. Emetics, which operate on the stomach, producing vomiting;
2. Cathartics, which operate on the bowels, producing their evacuation downward;
3. Diuretics, which act on the kidneys, increasing the secretion of urine;
4. Diaphoretics, which act on the skin, causing perspiration;
5. Expectorants. which act on the lungs, causing expectoration;
6. Cholagogues, which act on the liver, increasing the secretion of bile;
7. Emmenagogues, which act on the uterus, exciting, increasing or ring the menses;
8. Uterine motor-stimulants, which favour uterine contraction;
9. Sulagogues, which increase the secretion of saliva; and
10. Errhines or Sternutatories, which operate on the nostrils. causing an increased secretion, and sneezing.
 
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