First, asthma drugs
It is a drug used to relieve, eliminate or prevent bronchial asthma. The main indications are asthma and wheezing bronchitis. At present, asthma drugs can be divided into six categories:
1 Adrenergic receptor agonist;
3 M choline receptor blocker;
4 Adrenocortical hormones;
5 Mast cell membrane stabilizer;
Second, antitussive drugs
An antitussive is a drug that acts on the central or peripheral part of the cough reflex and inhibits cough reflex.
A drug that makes the sputum thin and easy to discharge is called a peony. It can increase respiratory secretion, dilute sputum or reduce its viscosity, make sputum easy to cough up, and improve cough and asthma symptoms. Therefore, expectorants can also exert antitussive and antiasthmatic effects.