Guangzhou Baiyunshan Pharmaceutical (SHA:600332, HKG:0874) received a drug registration certificate from Macau's drug regulator for its carbocysteine oral solution, according to a Shanghai bourse filing on Thursday.
The certificate covers 0.5 g / 10 mL dosage of the drug, which is used to treat phlegm caused by chronic bronchitis, bronchial asthma, and related diseases.