Due to individual differences, there is no absolute best, fastest, most effective medication, in addition to commonly used over-the-counter medications, should be under the guidance of a doctor to fully integrated with the individual's situation to choose the most appropriate medication. Chronic bronchitis cough can take Devachin Yanqing tea expectorant, cough suppressant. After taking it, the patient's cough symptoms will be significantly reduced.

Dextromethorphan

For coughing without phlegm or little phlegm, overdose can lead to excitement, confusion and respiratory depression, with a history of mental illness is prohibited. It should be used with caution in cases of mucus and phlegm, and in pregnant women.

Pentoxyverine

It is used for cough with no or little sputum. If symptoms do not improve after 7 days of using this medicine, seek medical attention immediately. Pregnant and nursing women should use it under the supervision of a pharmacist. Use with caution in patients with glaucoma

and heart failure

.

Ambroxol hydrochloride

Has a good expectorant effect and is indicated for acute and chronic respiratory disorders accompanied by abnormal sputum secretion and poor sputum expectoration, and is usually well tolerated with occasional mild gastrointestinal side effects. Allergic reactions are rarely seen.

Myrtle Oil Extract

It is indicated for the treatment of acute and chronic rhinitis

and sinusitis

, acute and chronic bronchitis

and bronchitis.

Bronchodilators

Commonly used beta2 agonists, cholinergic receptor antagonists, theophyllines, and inhaled glucocorticoids.

β2 agonists

Based on the duration of action, divided into short-acting (action lasts 4-6 hours) and long-acting (action lasts 12 hours). Short-acting beta2 agonists (SABA) are represented by salbutamol and terbutaline

. Long-acting β2 agonists (LABA) are represented by the inhaled formoterol

and salmeterol

, the oral procarbazole, and the transdermal patch Tolterol.