[Pharmacological research on antiasthmatic liquid for oral administration]

The Oral Antiasthmatic Liquid, when given into the mice stomach, can obviously reduce the times of cough induced by sulfur dioxide aerosol, and increase the amount of phenolsulfonphthalein excretion of tracheas. It also shows antagonistic action to bistamin phosphate and acetylcholine that can contract the isolated tracheas of guinea-pigs, and reduce the amounts of isolated lung and bronchial perfusion of guinea-pigs.