If you have a cold that doesn’t go away, it’s likely that your body’s resistance is weak and you have a viral or bacterial infection that won’t go away. It is necessary to use anti-inflammatory drugs according to the type of infection to help treatment, the effect is better, such as viral infections, you can use antiviral drugs, such as Pu Dilan anti-inflammatory oral solution or Tamiflu. If a bacterial infection occurs, it needs to be treated with antibiotics, such as an intravenous drip of ceftriaxone or cefoperazone. If allergies are present, azithromycin can also be used for treatment. In addition, if the cold does not go away, there is a good chance that the cold will be prolonged and lead to an infection in the lower respiratory tract, which may lead to bronchitis or pneumonia, and should be examined with a chest radiograph or a CT scan of the chest. If the lower respiratory tract infection does occur, hospitalization is required, and anti-inflammatory drugs should be administered intravenously to reduce inflammation.