44 COHOSH — COLCH1CUM — COLTSFOOT. 



obstructed menses. In whooping cough its action is 

 very highly spoken of. Overdoses produce nausea and 

 vomiting. 



Preparations— Fluid extract, U.S. P. : Dose, 15-30 

 drops. Liquid extract, B.P. : Dose, 5-30 drops. Tinc- 

 ture B.P. : Dose, 15 drops to 1 drachm. Cimicifugin or 

 Macrotin : Dose, 1-6 grains. 



COHOSH, BLUE. Caulophyllum thallctroldes. 



Synonym — Pappooseroot . 



Part used — Root. 



Action — Demulcent, antispasmodic, emmenagogue. 

 Very efficacious in rheumatic affections and female com- 

 plaints. The Indian women use it largely to expedite 

 parturition and to induce menstruation. 



Preparations — Fluid extract : Dose, 10-30 drops. 

 Caulophyllin : Dose, 2-5 grains. 



COLCHICUM. Colchicum autumnale. 



Synonym — Meadow Saffron, Naked Ladies. 



Part used — Root, seeds. 



Action — Antirheumatic, cathartic, emetic. Its repu- 

 tation rests largely upon its value in acute gouty and 

 rheumatic complaints. Mostly used in connection with 

 some alkaline diuretic. Also given in pill form. Over- 

 doses cause violent purging, &c. 



Preparations — Powdered root : Dose, 2-5 grains. 

 Extract B.P. : Dose, £-1 grain. Liquid extract, root : 

 Dose, 1-10 drops. Fluid extract, seeds, U.S. P. : Dose, 

 1-10 drops. Tincture B.P. : Dose, 5-15 drops. Wine 

 B.P. : Dose, 10-30 drops. 



COLTSFOOT. Tussilago farfara. 



Synonym — Coughwort, Horsehoof. 

 Part used — Leaves. 



Action — Demulcent, expectorant. This is one of the 

 most popular of cough remedies, and is generally given 



