Shang Bi Ye (Nasal Congestion)

[Formula] Scutellaria baicalensis 7.5g, Purple flowered Euphorbia 7.5g, Raw Glycyrrhiza 7.5g, Ephedrine 15g, Nipagin 1.5g, 95% ethanol 2000ml.
[Preparation Method] Boil the first three ingredients with distilled water (3000ml each time) for 1 hour, filter, then boil again with water for half an hour. Combine the two filtrates to make about 4000ml, let stand for 24 hours, remove precipitate, adjust pH to 6–7, boil with sodium bicarbonate until reduced to about 1000ml, cool, add 95% ethanol, let stand for another 24 hours, collect clear liquid, reduce ethanol under vacuum until no alcohol smell remains, then add distilled water to make up to 3000ml, filter to obtain clear solution. Add nipagin and ephedrine; if turbidity occurs, filter again using filter paper to yield a clear reddish-brown liquid, package in 10ml bottles.
[Function] Promotes nasal ventilation, reduces swelling.
[Indications] Nasal congestion, head heaviness, excessive or difficult-to-clear nasal discharge.
[Usage] External use, drop into nose. 1–2 drops per time, 3 times daily.
[Note] Adapted from "Compilation of Chinese Pharmaceutical Preparations".