N. O. Gramineae. Tincture of fresh plant in flower.
Avena has been used empirically in substantial doses (5 to 15 drops of the tincture, preferably in hot water) in a large number of cases of nerve weakness.
The leading indications are: Irregularities of the male sexual system.
Inability to keep the mind fixed on any one subject, especially when due to masturbation or sexual irregularities.
It is most valuable in enabling a patient to overcome the morphine habit.
It appears to exert the same kind of soothing action, without creating a habit of its own.
When not more than four grains of morphine have been taken daily it may be discontinued abruptly, 15 drops of Avena in a wineglass of hot water being given four times a day instead.
The only symptom that has been observed to be caused by it is a pain at the base of the brain from 20-drop doses.
An alkaloid, Avenin (C56 H21 NO18), has been isolated from oats.
It is easily soluble in alcohol.
No clinical observations with this have been recorded.