This section is from the book "Botanic Drugs Their Materia Medica, Pharmacology and Therapeutics", by Thomas S. Blair. Also available from Amazon: Botanic Drugs, Their Materia Medica, Pharmacology and Therapeutics.
Official in all standards except the German as the gum resin of Ferula foetida or other species. Galbanum, Ferula galbaniflua and rubicalis, is similar in effect to asafetida and is official in fourteen standards. Sumbul, or Musk Root, official in Mexico and the United States, is Ferula Sumbul.
The U. S. P. pill may be used as a carminative, but it is going out of use rapidly. The most definitely useful form of asafetida is in the form of suppositories. They are used after surgical operations to overcome the atony and partial paralysis sometimes following abdominal surgical intervention.
Dose: 1 to 10 grains; average, 4 grains.