Modernized Drug from Ancient Prescriptions
The prescription comes from Song Dynasty's ancient Erchen Decoction in《Research on Compatibility of Tonic Formulae in Prescriptions of Peaceful Benevolent Dispensary》Medical Journal that utilizes the Exocarpium Citri Grandis herb from the local Lingnan area.
Well known for treament of Cough and Nasal Congestion, Phlegm, Cold, Bronchiltis, and Pharynogolaryngitis.