Acute attack stage: sudden exacerbation, characterized by decreased expiratory flow

Chronic duration: Symptoms appear at different frequencies and to varying degrees within a week

Clinical remission period: one year without any symptoms (i.e. asthma control level is achieved)

Mild: shortness of breath when walking upstairs; concatenating words into sentences when speaking

Moderate: Shortness of breath when doing a little activity; speaking and speaking.

Severe: Shortness of breath when resting, unable to speak a single word when speaking

Critical: unable to speak

Complete control: no seizures at night

Partial control: No attacks at night

Inhalation: ① long-term asthma treatment medication ②Adverse reactions: ❶Oral fungal infection (gargle, check) ❷Gastrointestinal ulcer ❸Diabetes ❹Obesity ❺Hypertension ③Do not reduce the dosage or stop the medication on your own

oral intravenous

Long-term treatment and prevention

Adverse reactions: gastrointestinal reactions

Cromoglycate sodium: chest tightness

Sodium Nidonate: dizziness and drowsiness (cannot be taken when working at heights or driving for a long time)

Short-acting: asthma acute attack drugs; efficacy 4-5 hours (albuterol, terbutaline)

Long-acting: formoterol, salmeterol; effective for more than 12 hours

Precautions: ① Intermittent administration ② Do not use it for a long time, single or excessively; otherwise there will be: arrhythmia, hypokalemia, skeletal muscle tremor

Function: relax bronchial smooth muscle; strengthen heart; diuretic (detect urine output and heart rate)

Mode of administration: slow intravenous infusion of low concentration (intravenous boosting is prohibited)

The "therapeutic window" is narrow and blood drug concentration is detected

Adverse reactions: gastrointestinal reactions, respiratory center excitement, convulsions and even death in severe cases

Acute attack of moderate to severe asthma

Adverse reactions: dry mouth (drink more water), bitter mouth