Roxithromycin and Ambroxol Dispersible Tablets are not routine medications for colds, which can be taken as prescribed by the doctor if the cold is secondary to infection and accompanied by coughing up phlegm. Roxithromycin is a macrolide antibiotic, for sensitive bacteria, mycoplasma, chlamydia infection caused by respiratory tract inflammation, inflammation of the urinary tract and other therapeutic effects. It is easy to cause gastrointestinal irritation when used on an empty stomach. It is contraindicated for those who are allergic to the drug, and pregnant women should use the drug with caution. Ambroxol dispersible tablets are mainly composed of ambroxol, which is a kind of expectorant, has a good effect of mucous phlegm dissolution, and can promote the secretion of lung surface active substances and bronchial cilia movement. However, those who are allergic to Ambroxol hydrochloride should not use it. Cold patients with cough and phlegm can use Ambroxol Dispersible Tablets to dissolve phlegm and promote the discharge of phlegm. If neutrophils are significantly elevated in routine blood tests, i.e., it is considered that the cold is secondary to an infection, roxithromycin can be used for anti-infective treatment according to the doctor. If there is no secondary bacterial infection after a cold, and there is no obvious symptom of coughing up phlegm, it is not necessary to take the above two drugs. You can use drugs such as Compound Cold and Flu Granules and Compound Aminophenolamine Tablets to treat it. During the period, drink more water, pay more attention to rest, usually 5-7 days cold can be cured. It is recommended to go to the hospital to complete the relevant laboratory tests, the above drugs should be used in accordance with the doctor’s instructions, avoid unauthorized use of drugs.