https://www.selleckchem.com/products/hs-10296.html
The most frequent cause of acute cough (lasting up to 3 weeks) or subacute cough (3-8 weeks) is a viral infection, which is mostly a self-limiting disease in otherwise healthy persons. Some herbal compounds, the antitussive dextromethorphan and ambroxol are effective for symptom relief. Antibiotics are ineffective and should not be used due to resistance development. If after appropriate diagnostic procedures the cause of chronic cough, i.e. cough lasting more than 8 weeks, cannot be attributed to a well-established respiratory disease