The first thing you need to do for a cough caused by an upper respiratory tract infection is to drink more water. Drinking more water can promote the elimination of viruses or bacteria from the body. Drinking more water also moistens the airways and reduces the irritation of dry air to the upper respiratory tract, which can reduce the onset of coughing. Drinking more water will also dilute the phlegm and make it easier to cough it up, which will also reduce the symptoms of coughing. It is also important to take anti-infection treatment. The most common cause of upper respiratory tract infections is viral, which can be treated with Four Seasons Anti-Viral Combination or Pudilan Anti-Inflammatory Oral Solution. The next cause is bacterial infection, which requires antibiotics for treatment. For upper respiratory tract infections, penicillin is more effective, but only if there is no penicillin allergy.