Asthma attacks often occur suddenly, and it is heavier at night, so it is very uncomfortable to hold back. Inhalation of salbutamol aerosol at once can quickly stop wheezing, but it can't be used often. The treatment of asthma should eliminate allergic inflammation of upper and lower respiratory tract at the same time, and cooperate with desensitization treatment and preventive treatment to cure it.
You can have a look at "China Allergy and Asthma Network", which is a famous asthma website. There is a lot of knowledge about asthma prevention and treatment, which can help you to treat and use drugs correctly.