What is a fast-acting medicine for cough with white phlegm?

There are many causes of cough with white sputum, commonly such as viral colds, chronic bronchitis and tuberculosis. Cough with white sputum should be selected according to the specific cause of the disease, there is no so-called fast-acting drugs. 1. Viral colds: its symptoms are mostly cough with white sputum, no special antiviral drugs, symptomatic treatment. When coughing with phlegm, you can give cough suppressants and phlegm removers such as compound licorice tablets and ambroxol for treatment. 2. Chronic bronchitis: it is a chronic non-specific inflammation of the trachea, bronchial mucosa and its surrounding tissues. Clinically, coughing and sputum are the main symptoms, and the sputum is mostly white sputum. You can use levofloxacin, roxithromycin, compound licorice combination and other drugs for treatment. 3. Tuberculosis: Tuberculosis is a chronic disease, its main symptom is coughing and coughing sputum, sputum is mostly white mucus sputum. Anti-tuberculosis drugs can be used, including isoniazid, rifampicin and pyrazinamide. Cough with white sputum may also have other causes, it is recommended to go to the hospital in time to clarify the cause of the disease, so as not to delay treatment. The above drugs should be used in a standardized and rational way under the guidance of professional physicians and pharmacists.