Double lung infections, if more mild, can be effective in three to five days; however, most double lung infections require infusion therapy. Double-lung infection, or double-lung pneumonia, is a more serious respiratory disease that is more pathogenic and may have a worse prognosis, especially for special groups such as the elderly and children. If the symptoms are not obvious, only a slight fever, cough, cough sputum, mental state is relatively good, you can take oral medication for treatment, if the drug works, usually 3-5 days to take effect, the total course of treatment about 7 days. However, most double lung infections cannot be controlled in time by oral medication and need to be treated with fluids. Anti-inflammatory drugs such as ceftriaxone, combined with sputum chemotherapeutic drugs such as ambroxol, low-flow oxygen administration, combined with nebulization such as budesonide nebulizing solution, etc. are usually needed. Once the double lung infection is diagnosed, it is necessary to consult a doctor in time to identify the cause, and under the guidance of the doctor’s scientific treatment. The above medication is in accordance with the doctor’s prescription.