When you have a dry cough and chest tightness and shortness of breath after a cold, the specific medication to take depends on its condition and the formation of any secondary diseases. For patients with a cough after a cold, chest tightness and shortness of breath can occur due to a violent cough. Patients can then take oral cough suppressants such as compound methonamine capsules, compound licorice tablets and compound forskolin oral solution, together with the necessary leukotriene regulator montelukast sodium. For patients with tracheal spasm induced by severe cough, they can also be treated with oral antispasmodic and asthma calming treatments such as theophylline extended-release tablets and doxorubicin. In case of secondary bacterial colds, patients also need to take oral anti-inflammatory drugs such as amoxicillin, levofloxacin and cefaclor. However, it should be noted that if the patient has obvious symptoms of chest tightness and shortness of breath, a chest X-ray or CT examination is needed to exclude the formation of secondary diseases, especially pneumonia and pleural effusion. For patients with pneumonia and pleural effusion, it is mostly necessary to switch to intravenous drip and other symptomatic treatment at this time.