This section is from the book "Materia Medica And Therapeutics Inorganic Substances", by Charles D. F. Phillips. Also available from Amazon: Materia medica and therapeutics.
Ammonia relieves several of the symptoms of this disorder, such as the lassitude and tendency to fainting, and the flatulent distension of the stomach. The aromatic spirit is a good preparation in common use. The liquor with asafoetida or valerian is still more effective, but nauseous; it has some power in staying convulsive attacks of hysterical character.