The particle diameter produced by the nebulizer determines whether the drug can be deposited where it is needed. The most suitable particle diameter for nebulization treatment is 1-5 μm.
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Asthma is a common respiratory disease, which is chronic allergic airway inflammation. It's easy to get sick when the season changes or the weather turns cool.
When the patient suddenly presents with difficulty breathing, cough, chest tightness, shortness of breath, incoherent speech, pallor or cyanosis, the patient is first asked if he or she has a history of asthma.